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COMMENTS ON TROUBLE SYMPTOM |
Input signals from all the door switches are
used to operate the functions below. If the signal(s) are abnormal, these
functions will not work normally. |
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PROBABLE CAUSES |
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DIAGNOSIS PROCEDURE |
STEP 1. Check the pulse check results. |
Q.
Are the pulse check results satisfactory?
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YES <The pulse check results are
satisfactory.> : The trouble can be an intermittent malfunction (Refer
to GROUP 00 - How to Cope with Intermittent Malfunction ). |
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NO <The front door switch (LH) signal is
not received.> : Refer to inspection procedure C-5 "The driver’s
door switch signal is not received <LHD> ." |
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NO <The front door switch (RH) signal is
not received.> : Go to Step 2. |
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NO <The rear door switch (LH) signal is
not received.> : Go to Step 7. |
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NO <The rear door switch (RH) signal is
not received.> : Go to Step 12. |
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NO <The back door switch signal is not
received.> :
Go to Step 17. |
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STEP 2. Check the installation condition. |
Check that the door switch is installed on the
body correctly. |
Q.
Is the check result normal?
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Go to Step 3. |
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Correct the installation
condition. |
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STEP 3. Connector check: E-29 door switch (front: RH) connector |
Q.
Is the check result normal?
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Go to Step 4. |
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Repair
the defective connector. |
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STEP 4. Check the door switch. |
Refer to GROUP 42 - Door assembly . |
Q.
Is the check result normal?
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Go to Step 5. |
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Replace the door switch. |
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STEP 5. Connector check: D-420 ETACS-ECU connector |
Q.
Is the check result normal?
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Go to Step 6. |
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Repair
the defective connector. |
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STEP 6. Check the wiring harness between E-29 door switch (fornt: RH) connector terminal No.1 and D-420 ETACS-ECU connector terminal No.65. |
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Q.
Is the check result normal?
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Go to Step 22. |
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Repair
the wiring harness between the door switch and the ETACS-ECU. |
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STEP 7. Check the installation condition. |
Check that the door switch is installed on the
body correctly. |
Q.
Is the check result normal?
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Go to Step 8. |
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Correct the installation
condition. |
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STEP 8. Connector check: E-41 door switch (rear: LH) connector |
Q.
Is the check result normal?
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Go to Step 9. |
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Repair
the defective connector. |
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STEP 9. Check the door switch. |
Refer to GROUP 42 - Door assembly . |
Q.
Is the check result normal?
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Go to Step 10. |
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Replace the door switch. |
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STEP 10. Connector check: D-419 ETACS-ECU connector |
Q.
Is the check result normal?
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Go to Step 11. |
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Repair
the defective connector. |
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STEP 11. Check the wiring harness between E-41 door switch (rear: LH) connector terminal No.1 and D-419 ETACS-ECU connector terminal No.7. |
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Q.
Is the check result normal?
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Go to Step 22. |
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Repair
the wiring harness between the door switch and the ETACS-ECU. |
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STEP 12. Check the installation condition. |
Check that the door switch is installed on the
body correctly. |
Q.
Is the check result normal?
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Go to Step 13. |
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Correct the installation
condition. |
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STEP 13. Connector check: E-32 door switch (rear: RH) connector |
Q.
Is the check result normal?
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Go to Step 14. |
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Repair
the defective connector. |
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STEP 14. Check the door switch. |
Refer to GROUP 42 - Door assembly . |
Q.
Is the check result normal?
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Go to Step 15. |
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Replace the door switch. |
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STEP 15. Connector check: D-420 ETACS-ECU connector |
Q.
Is the check result normal?
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Go to Step 16. |
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Repair
the defective connector. |
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STEP 16. Check the wiring harness between E-32 door switch (rear: RH) connector terminal No.1 and D-420 ETACS-ECU connector terminal No.70. |
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Q.
Is the check result normal?
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Go to Step 22. |
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Repair
the wiring harness between the door switch and the ETACS-ECU. |
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STEP 17. Check the installation condition. |
Check that the door switch is installed on the
body correctly. |
Q.
Is the check result normal?
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Go to Step 18. |
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Correct the installation
condition. |
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STEP 18. Connector check: E-11 back door switch connector |
Q.
Is the check result normal?
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Go to Step 19. |
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Repair
the defective connector. |
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STEP 19. Check the back door switch. |
Refer to GROUP 42 - Back door assembly . |
Q.
Is the check result normal?
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Go to Step 20. |
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Replace the door switch. |
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STEP 20. Connector check: D-421 ETACS-ECU connector |
Q.
Is the check result normal?
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Go to Step 21. |
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Repair
the defective connector. |
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STEP 21. Check the wiring harness between E-11 back door switch connector terminal No.1 and D-421 ETACS-ECU connector terminal No.37. |
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Q.
Is the check result normal?
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Go to Step 22. |
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Repair
the wiring harness between the door switch and the ETACS-ECU. |
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STEP 22. Retest the system. |
Check that all the all door switch signals are
received normally. |
Q.
Is the check result normal?
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The
trouble can be an intermittent malfunction (Refer to GROUP 00 - How
to Cope with Intermittent Malfunction ). |
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Replace the ETACS-ECU. |
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