Rearview Mirrors — Pinpoint Tests

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PINPOINT TEST A: MIRRORS DO NOT WORK

STATES

DETAILS/RESULTS/ACTIONS

A1: CHECK THE INTERIOR LIGHT DELAY FUNCTION.

1CHECK the interior light delay function.

• Does the interior light delay function work correctly?

Yes

Go to A2

No

CHECK the operation of the General Electronic Module (GEM). Refer to Section 419-10 for additional information.

A2: CHECK VOLTAGE SUPPLIED TO OUTSIDE MIRROR CONTROL SWITCH CIRCUIT

NOTE:Circuit numbers and wiring colors change at junction point C51

1Disconnect the Outside Mirror Control Switch - C741.

2Enter the ON position.

3Measure the voltage between outside mirror control switch pin 6 C741, circuit 29-AD12 (Orange/Yellow), harness side and ground.

• Is the voltage more than 10V?

Yes

Go to A3

No

REPAIR circuit 29-AD12 (orange/yellow). CHECK system for proper operation.

A3: CHECK OUTSIDE MIRROR CONTROL SWITCH GROUND CIRCUIT FOR OPEN

NOTE:The chain numbering changes at the solder joint point S197

1Enter the OFF position.

2Measure the resistance between outside mirror control switch pin 4 C741, circuit 31-AD12 (Black), harness side and ground.

• Is the resistance less than 5 ohms?

Yes

Go to A4

No

REPAIR electrical circuit 31-AD12 (black). CHECK for proper system operation.

A4: CHECK 32-AD1 (WHITE/RED) CIRCUIT FOR OPEN CIRCUIT

NOTE:Circuit numbers and wiring colors change at connection point S200

1Disconnect Driver Side Outside Mirror - C807.

2Measure the resistance between outside mirror control switch C741 pin 3, circuit 32-AD1 (WH/RD), harness side and driver side outside mirror C807 pin 1, circuit 32-AD6 (WH), harness side.

• Is the resistance less than 5 ohms?

Yes

CHECK the validity of the customer's complaint.

No

REPAIR electrical circuit 32-AD1 (white/red). CHECK for proper system operation.



PINPOINT TEST B: ONE MIRROR DOESN'T WORK


STATES

DETAILS/RESULTS/ACTIONS

B1: CHECK FOR BROKEN CONNECTIONS BETWEEN THE OUTSIDE MIRROR CONTROL SWITCH AND THE INOPERATIVE OUTSIDE MIRROR

NOTE:The circuit numbers and wiring colors change at connection point S200.

1Disconnect Inoperative Outside Mirror - C807 or C808.

2Measure the resistance between outside mirror control switch pin 3 C741, circuit 32-AD1 (WH/RD), harness side and the inoperative outside mirror:

- Driver's side exterior mirror - pin 1 C807, electrical circuit 32-AD6 (white), on the wiring side.

- Outside mirror, passenger side - pin 1 C808, electrical circuit 32-AD9 (white/green), wiring side.

• Is the resistance less than 5 ohms?

Yes

INSTALL the new outside mirror. CHECK the system for proper operation.

No

REPAIR circuit 32-AD6 (white) or circuit 32-AD9 (white/green). CHECK for proper system operation.



PINPOINT TEST C: ONE MIRROR DOES NOT WORK ACCORDING TO SWITCH COMMANDS

STATES

DETAILS/RESULTS/ACTIONS

C1: CHECK OUTSIDE MIRROR OPERATION DEPENDING ON SWITCH COMMANDS

1Enter the ON position.

2PRESS the outside mirror control switch.

• Does the outside mirror operate as commanded by the switch?

Yes

CHECK the validity of the customer's complaint.

No

Driver Side Outside Mirror - UP/DOWN Adjustment Not Working Go to C2. Driver's side outside mirror - LEFT/RIGHT adjustment does not work Go to C5. Outside mirror on the passenger side - UP/DOWN adjustment does not work Go to C8. Outside mirror on the passenger side - LEFT/RIGHT adjustment does not work Go to C11.

C2: CHECK OUTSIDE MIRROR UP/DOWN ADJUSTMENT CIRCUIT ON DRIVER SIDE

NOTE:The circuit numbers and wiring colors change at connection point S200.

1Disconnect Driver Side Outside Mirror - C807.

2Enter the ON position.

3PRESS the outside mirror control switch to select the driver's side outside mirror.

4Measure the voltage between driver side outside mirror C807 pin 2, circuit 34-AD7 (BL/RED), harness side and pin 1, circuit 32-AD6 (WH), harness side.

- Press the outside mirror control switch to the UP and DOWN positions.

• Does the voltage exceed 10 V when the outside mirror control switch is moved to the UP position and the polarity is reversed when moved to the DOWN position?

Yes

INSTALL the new outside mirror. CHECK the system for proper operation.

No

Go to C3

C3: CHECK ELECTRICAL CIRCUIT 34-AD7 (BLUE/RED) FOR OPEN

1Enter the OFF position.

2Disconnect the Outside Mirror Control Switch - C741.

3Measure the resistance between outside mirror control switch C741 pin 1, circuit 34-AD7 (BL/RED), harness side and outside mirror C807 pin 2, circuit 34-AD7 (BL/RED), harness side.

• Is the resistance less than 5 ohms?

Yes

Go to C4

No

REPAIR circuit 34-AD7 (blue/red). CHECK system for proper operation.

C4: CHECK ELECTRICAL CIRCUIT 32-AD6 (WHITE) FOR OPEN

1Measure the resistance between outside mirror control switch pin 3 C741, circuit 32-AD1 (WH/RD), harness side and outside mirror pin 1 C807, circuit 32-AD6 (WH), harness side.

• Is the resistance less than 5 ohms?

Yes

INSTALL the new outside mirror. CHECK the system for proper operation.

No

REPAIR circuit 32-AD6 (white). CHECK for proper system operation.

C5: CHECK LEFT/RIGHT TURN CIRCUIT OF DRIVER SIDE OUTSIDE MIRROR

NOTE:Circuit numbers and wiring colors change at connection point S200

1Disconnect Driver Side Outside Mirror - C807.

2Enter the ON position.

3PRESS the outside mirror control switch to select the driver's side outside mirror.

4Measure the voltage between C807 pin 3 outside mirror, circuit 33-AD8 (Yellow/Blue), harness side and C807 pin 1, circuit 32-AD6 (White), harness side.

- PRESS the outside mirror control switch to the LEFT and RIGHT positions.

• Does the voltage exceed 10 V when the outside mirror control switch is moved to the LEFT position, and the polarity is reversed when moved to the RIGHT position?

Yes

INSTALL the new outside mirror. CHECK the system for proper operation.

No

Go to C6

C6: CHECK ELECTRICAL CIRCUIT 33-AD8 (YELLOW/BLUE) FOR OPEN CIRCUIT

1Enter the OFF position.

2Disconnect the Outside Mirror Control Switch - C741.

3Measure the resistance between outside mirror control switch pin 7 C741, circuit 33-AD8 (YE/BL), harness side and outside mirror control switch pin 3 C807, circuit 33-AD8 (YE/BL), harness side.

• Is the resistance less than 5 ohms?

Yes

Go to C7

No

REPAIR circuit 33-AD8 (yellow/blue). CHECK system for proper operation.

C7: CHECK ELECTRICAL CIRCUIT 32-AD6 (WHITE) FOR OPEN

1Measure the resistance between outside mirror control switch pin 3 C741, circuit 32-AD1 (WH/RD), harness side and mirror C807 pin 1, circuit 32-AD6 (WH), harness side.

• Is the resistance less than 5 ohms?

Yes

INSTALL the new outside mirror. CHECK the system for proper operation.

No

REPAIR circuit 32-AD6 (white). CHECK for proper system operation.

C8: CHECK PASSENGER SIDE MIRROR UP/DOWN ADJUSTMENT CIRCUIT

NOTE:The circuit numbers and wiring colors change at connection point S200.

1Disconnect the Passenger Side Outside Mirror - C808.

2Enter the ON position.

3Measure the voltage between pin 2 C808 outside mirror, circuit 34-AD10 (BL/YE), harness side and pin 1 C808, circuit 32-AD9 (WH/GN), harness side.

- PRESS the outside mirror control switch in the UP and DOWN positions.

• Does the voltage exceed 10 V when the outside mirror control switch is moved to the UP position and the polarity is reversed when moved to the DOWN position?

Yes

INSTALL the new outside mirror. CHECK the system for proper operation.

No

Go to C9

C9: CHECK ELECTRICAL CIRCUIT 34-AD10 (BLUE/YELLOW) FOR OPEN

1Enter the OFF position.

2Disconnect the Outside Mirror Control Switch - C741.

3Measure the resistance between outside mirror control switch pin 2 C741, circuit 34-AD10 (BL/YE), harness side and outside mirror pin 2 C808, circuit 34-AD10 (BL/YE), harness side.

• Is the resistance less than 5 ohms?

Yes

Go to C10

No

REPAIR circuit 34-AD10 (blue/yellow). CHECK system for proper operation.

C10: CHECK 32-AD9 (WHITE/GREEN) CIRCUIT FOR OPEN

1Measure the resistance between outside mirror control switch pin 3 C741, circuit 32-AD1 (WH/RD), harness side and outside mirror pin 1 C808, circuit 32-AD9 (WH/GN), harness side.

• Is the resistance less than 5 ohms?

Yes

INSTALL a new mirror. CHECK that the system is working correctly.

No

REPAIR circuit 32-AD9 (white/green). CHECK for proper system operation.

C11: CHECK LEFT/RIGHT TURN CIRCUIT OF PASSENGER SIDE OUTSIDE MIRROR

NOTE:Circuit numbers and wiring colors change at connection point S200

1Disconnect Passenger Side Mirror - C808.

2Enter the ON position.

3Measure the voltage between pin 3 C808 outside mirror, circuit 33-AD11 (YE/PUP), harness side and pin 1 C808, circuit 32-AD9 (WH/GN), harness side.

- PRESS the outside mirror control switch to the LEFT and RIGHT positions.

• Does the voltage exceed 10 V when the outside mirror control switch is moved to the LEFT position, and the polarity is reversed when moved to the RIGHT position?

Yes

INSTALL the new outside mirror. CHECK the system for proper operation.

No

Go to C12

C12: CHECK CIRCUIT 33-AD11 (YELLOW/PURPLE) FOR OPEN

1Enter the OFF position.

2Disconnect the Outside Mirror Control Switch - C741.

3Measure the resistance between outside mirror control switch pin 5 C741, circuit 33-AD11 (YE/VIEW), harness side and outside mirror pin 3 C808, circuit 33-AD11 (YE/VIEW), harness side.

• Is the resistance less than 5 ohms?

Yes

Go to C13

No

REPAIR circuit 33-AD11 (yellow/purple). CHECK system for proper operation.

C13: CHECK 32-AD9 (WHITE/GREEN) CIRCUIT FOR OPEN

1Measure the resistance between outside mirror control switch pin 3 C741, circuit 32-AD1 (WH/RD), harness side and outside mirror pin 1 C808, circuit 32-AD9 (WH/GN), harness side.

• Is the resistance less than 5 ohms?

Yes

INSTALL the new outside mirror. CHECK the system for proper operation.

No

REPAIR circuit 32-AD9 (White/Red). CHECK system for proper operation.



PINPOINT TEST D: HEATED OUTSIDE MIRROR DOES NOT DE-ICE

STATES

DETAILS/RESULTS/ACTIONS

D1: CHECK THE OPERATION OF THE REAR WINDOW HEATING

1The ignition is on.

2Press the rear window defroster switch

• Is the rear window defroster functioning properly?

Yes

Go to D2

No

REPAIR the rear window defroster. Refer to Section 501-11 for additional information.

D2: CHECK THE VOLTAGE SUPPLIED TO THE INOPERATIVE OUTSIDE MIRROR

1Enter the OFF position.

2Disconnect Inoperative Outside Mirror - C807 or C808.

3Enter the ON position.

4PRESS the rear window defroster switch.

5Measure the voltage between:

– pin 4 C807 of the driver's side exterior mirror, electrical circuit 15S-HB35 (green/black), on the wiring side, and ground.

– pin 4 C808 of the passenger side exterior mirror, electrical circuit 15S-HB36 (green/orange), on the wiring side, and ground.

• Is the voltage more than 10V?

Yes

Go to D3

No

REPAIR circuit 15S-HB35 (green/black) or circuit 15S-HB36 (green/orange). CHECK system operation for proper operation.

D3: CHECK THE GROUND CIRCUIT OF THE INOPERATIVE OUTSIDE MIRROR FOR OPEN

1Enter the OFF position.

2Measure the resistance between:

– pin 5 C807 of the outside mirror on the driver's side, electrical circuit 31-HB35 (black), on the wiring side, and "ground".

– pin 5 C808 of the passenger side exterior mirror, electrical circuit 31-HB36 (black), on the wiring side, and ground.

• Is the resistance less than 5 ohms?

Yes

INSTALL a new heated outside mirror glass. CHECK that the system is operating correctly.

No

REPAIR circuit 31-HB35 (black) or circuit 31-HB36 (black). CHECK for proper system operation.








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