Power Mirrors (Power Window Master Switch) Input Test
NOTE:
- Make sure the fuses associated with the system is OK.
- If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .
1. Turn the vehicle to the OFF (LOCK) mode.
2. Disconnect the power window master switch 37P connector.
Power Window Master Switch 37P Connector (female terminals)
Inspect the connector and socket terminals to be sure they are all making good contact:
- If the terminals are bent, loose, or corroded, repair them as necessary, and recheck the system.
- If the terminals look OK, go to step 4.
With the connector still disconnected, do the following input tests:
- If any test indicates a problem, find and correct the cause, then recheck the system.
- If all the input tests prove OK, go to step 5.
| Cavity | Wire | Test condition | Test: Desired result | Possible cause if desired result is not obtained |
|---|---|---|---|---|
| 10 | PNK | Vehicle ON mode, power mirror switch in RIGHT mirror position | Measure the voltage to ground: There should be battery voltage when the power mirror switch LEFT or DOWN is pressed. |
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| 11 | RED | Vehicle ON mode, power mirror switch in RIGHT mirror position | Measure the voltage to ground: There should be battery voltage when the power mirror switch RIGHT or DOWN is pressed. |
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| 12 | GRY | Vehicle ON mode | Measure the voltage to ground: There should be battery voltage when the power mirror switch UP or LEFT is pressed. |
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| 15* 1 | PNK | Vehicle ON mode, connect terminals No. 18 and No. 15 with a jumper wire | Check the left power mirror defogger operation: The left power mirror defogger should work (the inside lower edge becomes warm). |
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*1: With mirror defogger
*2: With panoramic glass roof
*3: With moonroof
| Cavity | Wire | Test condition | Test: Desired result | Possible cause if desired result is not obtained |
|---|---|---|---|---|
| 30 | PNK | Vehicle ON mode, connect terminals No. 18 and No. 30 with a jumper wire | Check the power mirror switch light operation: The power mirror switch light should come on. |
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| 36 | BLU | Disconnect these connectors:
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Check for continuity between terminal No. 36 and front passenger's power window switch 37P connector terminal No. 34: There should be continuity. | An open in the LIN(P/W) wire |
| Check for continuity between terminal No. 36 and panoramic glass roof motor-control unit 14P connector terminal No. 12: There should be continuity. | An open in the LINP/W) wire | |||
| Check for continuity between terminal No. 36 and moonroof motor-control unit 14P connector terminal No. 12: There should be continuity. | An open in the LIN(P/W) wire | |||
| Check for continuity to ground: There should be no continuity. | A short to ground in the LIN(P/W) wire |
*1: With mirror defogger
*2: With panoramic glass roof
*3: With moonroof
Reconnect the connector, and do the following input tests:
- If any test indicates a problem, find and correct the cause, then recheck the system.
- If all the input tests prove OK, replace the power window master switch .
NOTE: After replacing the power window master switch, do the resetting the power window control unit .
| Cavity | Wire | Test condition | Test: Desired result | Possible cause if desired result is not obtained |
|---|---|---|---|---|
| 4 | WHT | Under all conditions | Measure the voltage to ground: There should be battery voltage. | An open or high resistance in the wire |
| 18 | LT GRN | Vehicle ON mode | Measure the voltage to ground: There should be battery voltage. | An open or high resistance in the wire |
| 3 | BLK | In all power modes | Measure the voltage to ground: There should be less than 0.2 V. |
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| 29 | BLK | In all power modes | Measure the voltage to ground: There should be less than 0.2 V. |
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