Diagnostic Item 3: Diagnose the CAN bus lines for short to power supply <Vehicles for Hong Kong and Singapore>

TROUBLE JUDGMENT

COMMENTS ON TROUBLE SYMPTOM

POSSIBLE CAUSES

• Damaged harness wires and connectors
  
• Malfunction of the ETACS-ECU
  
• Malfunction of the combination meter
  
• Malfunction of the A/C-ECU
  
• Malfunction of the ABS-ECU
  
• Malfunction of the engine-A/T-ECU
  

caution The strand end of the twist wire should be within 10 cm from the connector. For details refer to . Q. Are the check result normal? Go to Step 2. Repair the defective connector.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the engine-A/T-ECU connector and the combination meter connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between C-126 diagnosis connector terminal No.14 and body earth OK: 4.0 V or less

(4)Voltage between C-126 diagnosis connector terminal No.6 and body earth OK: 4.0 V or less (5)Disconnect the negative battery terminal. Q. Are the check result normal? YES <all of the measurement results show 4.0 V or less> : Follow diagnostic item 16, Diagnose CAN bus lines thoroughly. Refer to . NO <The voltage between terminal No.14 and body earth is more than 4.0 V> : Go to Step 3. NO <The voltage between terminal No.6 and body earth is more than 4.0 V> : Go to Step 26.

caution The strand end of the twist wire should be within 10 cm from the connector. For details refer to . Q. Is the check result normal? Go to Step 4. Repair the defective connector.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the connector, and measure at its male-side intermediate connector (at the front wiring harness side). (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between C-125 intermediate connector terminal No.27 and body earth OK: 4.0 V or less Q. Is the check result normal? <4.0 V or less> Go to Step 5. <more than 4.0 V> Go to Step 18.

caution The strand end of the twist wire should be within 10 cm from the connector. For details refer to .

When checking the joint connector, ensure that its wiring harness side and its short pins are not damaged. Q. Is the check result normal? Go to Step 6. Repair a defective connector or replace the joint connector.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between C-09 joint connector (CAN2) terminal No.17 and body earth OK: 4.0 V or less

(4)Voltage between C-09 joint connector (CAN2) terminal No.19 and body earth OK: 4.0 V or less

(5)Voltage between C-09 joint connector (CAN2) terminal No.16 and body earth OK: 4.0 V or less

(6)Voltage between C-09 joint connector (CAN2) terminal No.20 and body earth OK: 4.0 V or less

(7)Voltage between C-09 joint connector (CAN2) terminal No.21 and body earth OK: 4.0 V or less

(8)Voltage between C-09 joint connector (CAN2) terminal No.18 and body earth OK: 4.0 V or less (9)Disconnect the negative battery terminal. Q. Are the check result normal? YES <all of the measurement results show 4.0 V or less> : Go to Step 17. NO <The voltage between terminal No.17 and body earth is more than 4.0 V> : Go to Step 7. NO <The voltage between terminal No.19 and body earth is more than 4.0 V> : Go to Step 8. NO <The voltage between terminal No.16 and body earth is more than 4.0 V> : Go to Step 10. NO <The voltage between terminal No.20 and body earth is more than 4.0 V> : Go to Step 12. NO <The voltage between terminal No.21 and body earth is more than 4.0 V> : Go to Step 14. NO <The voltage between terminal No.18 and body earth is more than 4.0 V> : Go to Step 16.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the joint connector (CAN2) and the combination meter connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between C-09 joint connector (CAN2) terminal No.17 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between joint connector (CAN2) and the combination meter connector.

caution The strand end of the twist wire should be within 10 cm from the connector. For details refer to . Q. Is the check result normal? Go to Step 9. Repair the defective connector.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the joint connector (CAN2) and the A/C-ECU connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between C-09 joint connector (CAN2) terminal No.19 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between the joint connector (CAN2) and the A/C-ECU connector.

caution The strand end of the twist wire should be within 10 cm from the connector. For details refer to . Q. Is the check result normal? Go to Step 11. Repair the defective connector.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the joint connector (CAN2) and the ETACS-ECU connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between C-09 joint connector (CAN2) terminal No.16 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between the joint connector (CAN2) and the ETACS-ECU connector.

caution The strand end of the twist wire should be within 10 cm from the connector. For details refer to . Q. Is the check result normal? Go to Step 13. Repair the defective connector.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the joint connector (CAN2), and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between C-09 joint connector (CAN2) terminal No.20 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between joint connector (CAN2) and the no connection connector.

caution The strand end of the twist wire should be within 10 cm from the connector. For details refer to . Q. Is the check result normal? Go to Step 15. Repair the defective connector.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the joint connector (CAN2), and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between C-09 joint connector (CAN2) terminal No.21 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between the joint connector (CAN2) and the no connection connector.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between C-09 joint connector (CAN2) terminal No.18 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between the joint connector (CAN2) and the diagnosis connector.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between C-09 joint connector (CAN2) terminal No.22 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between the joint connector (CAN2) and the intermediate connector.

note When checking A-07 joint connector (CAN1), disassemble and check the engine compartment relay box by referring to .

caution The strand end of the twist wire should be within 10 cm from the connector. For details refer to . When checking the joint connector, ensure that its wiring harness side is not damaged. Q. Is the check result normal? Go to Step 19. Repair a defective connector or replace the joint connector (front wiring harness assembly).

note When checking A-07 joint connector (CAN1), disassemble and check the engine compartment relay box by referring to .

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between A-07 joint connector (CAN1) terminal No.3 and body earth OK: 4.0 V or less

(4)Voltage between A-07 joint connector (CAN1) terminal No.2 and body earth OK: 4.0 V or less (5)Disconnect the negative battery terminal. Q. Are the check result normal? YES <all of the measurement results show 4.0 V or less> : Go to Step 25. NO <The voltage between terminal No.3 and body earth is more than 4.0 V> : Go to Step 20. NO <The voltage between terminal No.2 and body earth is more than 4.0 V> : Go to Step 23.

caution The strand end of the twist wire should be within 10 cm from the connector. For details refer to . Q. Is the check result normal? Go to Step 21. Repair the defective connector.

note When checking A-07 joint connector (CAN1), disassemble and check the engine compartment relay box by referring to .

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the joint connector (CAN1) and the intermediate connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between A-07 joint connector (CAN1) terminal No.3 and body earth OK: 1.0 V or less (4)Disconnect the negative battery terminal. Q. Is the check result normal? <1.0 V or less> Go to Step 22. <more than 1.0 V> Repair the wiring harness between the joint connector (CAN1) and the intermediate connector.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the engine-A/T-ECU connector and the intermediate connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between A-16 intermediate connector terminal No.12 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between the intermediate connector and the engine-A/T-ECU connector.

caution The strand end of the twist wire should be within 10 cm from the connector. For details refer to . Q. Is the check result normal? Go to Step 24. Repair the defective connector.

note When checking A-07 joint connector (CAN1), disassemble and check the engine compartment relay box by referring to .

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the joint connector (CAN1) and the ABS-ECU connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between A-07 joint connector (CAN1) terminal No.2 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between the joint connector (CAN1) and the ABS-ECU connector.

note When checking A-07 joint connector (CAN1), disassemble and check the engine compartment relay box by referring to .

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the joint connector (CAN1) and the intermediate connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between A-07 joint connector (CAN1) terminal No.1 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between the joint connector (CAN2) and the intermediate connector.

caution The strand end of the twist wire should be within 10 cm from the connector. For details refer to . Q. Is the check result normal? Go to Step 27. Repair the defective connector.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the connector, and measure at its male-side intermediate connector (at the front wiring harness side). (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between C-125 intermediate connector terminal No.26 and body earth OK: 4.0 V or less Q. Is the check result normal? <4.0 V or less> Go to Step 28. <more than 4.0 V> Go to Step 41.

caution The strand end of the twist wire should be within 10 cm from the connector. For details refer to .

When checking the joint connector, ensure that its wiring harness side and its short pins are not damaged. Q. Is the check result normal? Go to Step 29. Repair a defective connector or replace the joint connector.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between C-09 joint connector (CAN2) terminal No.6 and body earth OK: 4.0 V or less

(4)Voltage between C-09 joint connector (CAN2) terminal No.8 and body earth OK: 4.0 V or less

(5)Voltage between C-09 joint connector (CAN2) terminal No.5 and body earth OK: 4.0 V or less

(6)Voltage between C-09 joint connector (CAN2) terminal No.9 and body earth OK: 4.0 V or less

(7)Voltage between C-09 joint connector (CAN2) terminal No.10 and body earth OK: 4.0 V or less

(8)Voltage between C-09 joint connector (CAN2) terminal No.7 and body earth OK: 4.0 V or less (9)Disconnect the negative battery terminal. Q. Are the check result normal? YES <all of the measurement results show 4.0 V or less> : Go to Step 40. NO <The voltage between terminal No.6 and body earth is more than 4.0 V> : Go to Step 30. NO <The voltage between terminal No.8 and body earth is more than 4.0 V> : Go to Step 31. NO <The voltage between terminal No.5 and body earth is more than 4.0 V> : Go to Step 33. NO <The voltage between terminal No.9 and body earth is more than 4.0 V> : Go to Step 35. NO <The voltage between terminal No.10 and body earth is more than 4.0 V> : Go to Step 37. NO <The voltage between terminal No.7 and body earth is more than 4.0 V> : Go to Step 39.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the joint connector (CAN2) and the combination meter connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between C-09 joint connector (CAN2) terminal No.6 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between joint connector (CAN2) and the combination meter connector.

caution The strand end of the twist wire should be within 10 cm from the connector. For details refer to . Q. Is the check result normal? Go to Step 32. Repair the defective connector.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the joint connector (CAN2) and the A/C-ECU connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between C-09 joint connector (CAN2) terminal No.8 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between the joint connector (CAN2) and the A/C-ECU connector.

caution The strand end of the twist wire should be within 10 cm from the connector. For details refer to . Q. Is the check result normal? Go to Step 34. Repair the defective connector.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the joint connector (CAN2) and the ETACS-ECU connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between C-09 joint connector (CAN2) terminal No.5 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between the joint connector (CAN2) and the ETACS-ECU connector.

caution The strand end of the twist wire should be within 10 cm from the connector. For details refer to . Q. Is the check result normal? Go to Step 36. Repair the defective connector.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the joint connector (CAN2), and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between C-09 joint connector (CAN2) terminal No.9 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between joint connector (CAN2) and the no connection connector.

caution The strand end of the twist wire should be within 10 cm from the connector. For details refer to . Q. Is the check result normal? Go to Step 38. Repair the defective connector.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the joint connector (CAN2) connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between C-09 joint connector (CAN2) terminal No.10 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between the joint connector (CAN2) and the no connection connector.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between C-09 joint connector (CAN2) terminal No.7 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between the joint connector (CAN2) and the diagnosis connector.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between C-09 joint connector (CAN2) terminal No.11 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between the joint connector (CAN2) and the intermediate connector.

note When checking A-07 joint connector (CAN1), disassemble and check the engine compartment relay box by referring to .

caution The strand end of the twist wire should be within 10 cm from the connector. For details refer to . When checking the joint connector, ensure that its wiring harness side is not damaged. Q. Is the check result normal? Go to Step 42. Repair a defective connector or replace the joint connector (front wiring harness assembly).

note When checking A-07 joint connector (CAN1), disassemble and check the engine compartment relay box by referring to .

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between A-07 joint connector (CAN1) terminal No.6 and body earth OK: 4.0 V or less

(4)Voltage between A-07 joint connector (CAN1) terminal No.5 and body earth OK: 4.0 V or less (5)Disconnect the negative battery terminal. Q. Are the check result normal? YES <all of the measurement results show 4.0 V or less> : Go to Step 48. NO <The voltage between terminal No.6 and body earth is more than 4.0 V> : Go to Step 43. NO <The voltage between terminal No.5 and body earth is more than 4.0 V> : Go to Step 46.

caution The strand end of the twist wire should be within 10 cm from the connector. For details refer to . Q. Is the check result normal? Go to Step 44. Repair the defective connector.

note When checking A-07 joint connector (CAN1), disassemble and check the engine compartment relay box by referring to .

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the joint connector (CAN1) and the intermediate connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between A-07 joint connector (CAN1) terminal No.6 and body earth OK: 1.0 V or less (4)Disconnect the negative battery terminal. Q. Is the check result normal? <1.0 V or less> Go to Step 45. <more than 1.0 V> Repair the wiring harness between the joint connector (CAN1) and the intermediate connector.

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the engine-A/T-ECU connector and the intermediate connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between A-16 intermediate connector terminal No.6 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between the intermediate connector and the engine-A/T-ECU connector.

caution The strand end of the twist wire should be within 10 cm from the connector. For details refer to . Q. Is the check result normal? Go to Step 47. Repair the defective connector.

note When checking A-07 joint connector (CAN1), disassemble and check the engine compartment relay box by referring to .

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the joint connector (CAN1) and the ABS-ECU connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between A-07 joint connector (CAN1) terminal No.5 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between the joint connector (CAN1) and the ABS-ECU connector.

note When checking A-07 joint connector (CAN1), disassemble and check the engine compartment relay box by referring to .

caution A digital multimeter should be used. For details refer to .

caution The test wiring harness should be used. For details refer to .

(1)Disconnect the joint connector (CAN1) and the intermediate connector, and measure at the wiring harness side. (2)Connect the negative battery terminal, and turn the ignition switch to the ON position.

(3)Voltage between A-07 joint connector (CAN1) terminal No.4 and body earth OK: Less than 1.0 V (4)Disconnect the negative battery terminal. caution Strictly observe the specified wiring harness repair procedure. For details refer to . Q. Is the check result normal? <less than 1.0 V> Follow diagnostic item 16 "Diagnose CAN bus lines thoroughly." Refer to . <1.0 V or more> Repair the wiring harness between the joint connector (CAN2) and the intermediate connector.