INSPECTION PROCEDURE 6: Left or Right Side Heated Door Mirror does not
Operate
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COMMENTS ON TROUBLE SYMPTOM
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If either of the heated door mirrors does not
work, the door mirror assembly may be defective.
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- Malfunction of the door mirror assembly
- Damaged harness wires and connectors
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Step 1. Verify the operation of each heated door mirror.
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Q.
Which door mirror does not heat?
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Door mirror (RH) : Go to Step 2.
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Door mirror (LH) : Go to Step 10.
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Step 2. Connector check: Door mirror (RH) heater element
connectors
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Q.
Is the check result normal?
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Go to Step 3.
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Repair
the defective connector.
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Step 3. Check of the heater element of the door mirror
(RH)
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Check the heater element of the door mirror
(RH) (Refer to ).
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Q.
Is the check result normal?
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Go to Step 4.
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Replace the mirror glass of the door
mirror assembly (RH).
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Step 4. Connector check: F-09 door mirror assembly (RH)
connector.
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Q.
Is the check result normal?
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Go to Step 5.
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Repair
the defective connector.
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Step 5. Resistance measurement at the F-09 door mirror assembly (RH)
connector.
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(1)Disconnect the connector, and measure at the wiring
harness side.
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(2)Resistance between F-09 door mirror assembly connector
terminal No.5 and body earth. OK: Continuity (2 Ω or
less)
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Q.
Is the check result normal?
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Go to Step 7.
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Go to Step 6.
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Step 6. Check the wiring harness between F-09 door mirror assembly (RH)
connector terminal No.5 and body earth.
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note |
Prior to the wiring harness inspection, check
intermediate connector D-114, and repair if necessary.
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- Check the earth wires for open circuit.
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Q.
Is the check result normal?
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The
trouble can be an intermittent malfunction (Refer to GROUP 00, How to use
Troubleshooting/inspection Service Points - How to Cope with
Intermittent Malfunction ).
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Repair
the wiring harness.
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Step 7. Voltage measurement at the F-09 door mirror assembly (RH)
connector.
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(1)Turn the ignition switch to the ON position.
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(2)Rear window defogger switch: ON
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(3)Disconnect the connector, and measure at the wiring
harness side.
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(4)Voltage between F-09 door mirror assembly connector
terminal No.1 and body earth. OK: Battery voltage
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Q.
Is the check result normal?
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The
trouble can be an intermittent malfunction (Refer to GROUP 00, How to use
Troubleshooting/inspection Service Points - How to Cope with
Intermittent Malfunction ).
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Go to Step 8.
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Step 8. Check the wiring harness between F-09 door mirror assembly (RH)
connector terminal No.1 and D-405 junction block connector terminal
No.3.
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note |
Prior to the wiring harness inspection, check
junction connector D-34 and intermediate connector D-114, and repair if
necessary.
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- Check the power supply line for open circuit.
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Q.
Is the check result normal?
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Go to Step 9.
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Repair
the wiring harness.
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Step 9. Check of the troubles
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Check that the heater element of the door
mirror (RH) functions normally.
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Q.
Is the check result normal?
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The
trouble can be an intermittent malfunction (Refer to GROUP 00, How to use
Troubleshooting/inspection Service Points - How to Cope with
Intermittent Malfunction ).
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Replace the door mirror assembly
(RH).
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Step 10. Connector check: Door mirror (LH) heater element
connectors
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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 of the heater element of the door mirror
(LH)
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Check the heater element of the door mirror
(LH) (Refer to ).
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Q.
Is the check result normal?
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Go to Step 12.
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Replace the mirror glass of the door
mirror assembly (LH).
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Step 12. Connector check: F-04 door mirror assembly (LH)
connector.
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Q.
Is the check result normal?
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Go to Step 13.
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Repair
the defective connector.
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Step 13. Resistance measurement at the F-04 door mirror assembly (LH)
connector.
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(1)Disconnect the connector, and measure at the wiring
harness side.
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(2)Resistance between F-04 door mirror assembly connector
terminal No.5 and body earth. OK: Continuity (2 Ω or
less)
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Q.
Is the check result normal?
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Go to Step 15.
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Go to Step 14.
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Step 14. Check the wiring harness between F-04 door mirror assembly
(LH) connector terminal No.5 and body earth.
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note |
Prior to the wiring harness inspection, check
intermediate connector D-133, and repair if necessary.
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- Check the earth wires for open circuit.
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Q.
Is the check result normal?
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The
trouble can be an intermittent malfunction (Refer to GROUP 00, How to use
Troubleshooting/inspection Service Points - How to Cope with
Intermittent Malfunction ).
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Repair
the wiring harness.
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Step 15. Voltage measurement at the F-04 door mirror assembly (LH)
connector.
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(1)Turn the ignition switch to the ON position.
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(2)Rear window defogger switch: ON
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(3)Disconnect the connector, and measure at the wiring
harness side.
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(4)Voltage between F-04 door mirror assembly connector
terminal No.1 and body earth OK: Battery voltage
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Q.
Is the check result normal?
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The
trouble can be an intermittent malfunction (Refer to GROUP 00, How to use
Troubleshooting/inspection Service Points - How to Cope with
Intermittent Malfunction ).
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Go to Step 16.
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Step 16. Check the wiring harness between F-04 door mirror assembly
(LH) connector terminal No.1 and D-405 junction block connector terminal
No.3.
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note |
Prior to the wiring harness inspection, check
junction connector D-34 and intermediate connector D-133, and repair if
necessary.
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- Check the power supply line for open circuit.
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Q.
Is the check result normal?
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Go to Step 17.
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Repair
the wiring harness.
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Step 17. Check of the troubles
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Check that the heater element works
normally.
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Q.
Is the check result normal?
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The
trouble can be an intermittent malfunction (Refer to GROUP 00, How to use
Troubleshooting/inspection Service Points - How to Cope with
Intermittent Malfunction ).
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Replace the door mirror assembly
(LH).
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