Diagnostic Test
- CHECK FOR AN
ACTIVE DTC
- Turn the ignition on.
- Using a scan tool, record and erase the Diagnostic Trouble Codes (DTCs).
- Turn the driver side turn signal on.
- Turn the approach lamps on, if equipped.
- Turn the rear defogger on, if equipped with heated mirror.
- Press and release the Mirror Select switch to select the Driver Outside Rearview Mirror.
- Operate the Mirror
Adjust Switch in all directions several times while monitoring the
scan tool for DTCs in the DDM.NOTE:
After adjusting the mirror in one direction wait at least two seconds before adjusting the mirror in the opposite direction, as this will allow time for an active DTC to set, if present.
Is the DTC active?
Yes
- Go To 2
No
- The condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension and repair as necessary. If no problems are found, test complete.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- CHECK THE (A856)
5-VOLT SUPPLY CIRCUIT FOR AN OPEN NOTE:
In this step we are measuring the 5-Volt Supply voltage at the Driver Door Module. It should be over 4.5 volts.
- Turn the ignition off.
- Disconnect the Driver Outside Rearview Mirror C1 and C2 (Component Side) harness connectors from the Driver Door Module C1 and C2 connectors.
- Turn the ignition on.
- Measure the voltage
between ground and the (A856) 5-volt Supply circuit at the Driver
Door Module (Module Side) connector.
Is the Voltage above 4.5 Volts?
Yes
- Go To 3
No
- Replace the Driver Door Module in accordance with the Service Information. Refer to MODULE, DOOR , REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- CHECK THE (A856)
5-VOLT SUPPLY CIRCUIT FOR A SHORT TO GROUND
- Turn the ignition off.
- Check for continuity
between ground and the (A856) 5-Volt Supply circuit at the Driver
Outside Rearview Mirror C1 connector.
Is there continuity between ground and the (A856) 5-Volt Supply circuit?
Yes
- Repair the (A856) 5-Volt Supply circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Go To 4
- CHECK THE (P67)
DRIVER MIRROR VERTICAL POSITION SIGNAL CIRCUIT FOR A SHORT TO GROUND
- Check for continuity
between ground and the (P67) Driver Mirror Vertical Position Signal
circuit at the Driver Outside Rearview Mirror C1 harness connector.
Is there continuity between ground and the (P67) Driver Mirror Vertical Position Signal circuit?
Yes
- Repair the (P67) Driver Mirror Vertical Position Signal circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Go To 5
- Check for continuity
between ground and the (P67) Driver Mirror Vertical Position Signal
circuit at the Driver Outside Rearview Mirror C1 harness connector.
- CHECK THE (P65)
DRIVER MIRROR HORIZONTAL POSITION SIGNAL CIRCUIT FOR A SHORT TO GROUND
- Check for continuity
between ground and the (P65) Driver Mirror Horizontal Position Signal
circuit at the Driver Outside Rearview Mirror C1 harness connector.
Is there continuity between ground and the (P65) Driver Mirror Horizontal Position Signal circuit?
Yes
- Repair the (P65) Driver Mirror Horizontal Position Signal circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Go To 6
- Check for continuity
between ground and the (P65) Driver Mirror Horizontal Position Signal
circuit at the Driver Outside Rearview Mirror C1 harness connector.
- CHECK (P67)
DRIVER MIRROR VERTICAL POSITION SIGNAL CIRCUIT FOR AN OPEN
- Connect an ohmmeter between the (P67) Driver Mirror Vertical Position Signal circuit and the (P69) Driver Mirror Sensor ground circuit at the Driver Outside Rearview Mirror C1 (Component Side) harness connector.
- Manually move the
mirror Up and Down while observing the ohmmeter.
Does the resistance measure between approximately 1.2K Ohms and 2.4K Ohms as you move the mirror from Up to Down?
Yes
- Go To 7
No
- Replace the Driver Outside Rearview Mirror in accordance with the Service Information. Refer to MIRROR, OUTSIDE REARVIEW , REMOVALMIRROR, OUTSIDE REARVIEW, GLASS , REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- CHECK (P65)
DRIVER MIRROR HORIZONTAL POSITION SIGNAL CIRCUIT FOR AN OPEN
- Connect an ohmmeter between the (P65) Driver Mirror Horizontal Position Signal circuit and the (P69) Driver Mirror Sensor ground circuit at the Driver Outside Rearview Mirror C1 (Component Side) harness connector.
- Manually move the
mirror Left to Right while observing the ohmmeter.
Does the resistance measure between approximately 1.5K Ohms and 2.4K Ohms as you move the mirror from Left to Right?
Yes
- Go To
Refer to 8.
No
- Replace the Driver Outside Rearview Mirror in accordance with the Service Information. Refer to MIRROR, OUTSIDE REARVIEW , REMOVALMIRROR, OUTSIDE REARVIEW, GLASS , REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- Go To
- CHECK THE (A856)
5-VOLT SUPPLY CIRCUIT FOR A SHORT TO ANY GROUND OR RETURN CIRCUIT
- Check for continuity
between the (A856) 5-Volt Supply circuit and any designated ground
and return circuits at the Driver Outside Rearview Mirror C1 and C2
(Component Side) connectors.
Is there continuity between the (A856) 5-Volt Supply circuit and any designated ground and return circuit(s)?
Yes
- Repair the (A856) 5-Volt Supply circuit for a short to the ground or return circuit(s).
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Go To 9
- Check for continuity
between the (A856) 5-Volt Supply circuit and any designated ground
and return circuits at the Driver Outside Rearview Mirror C1 and C2
(Component Side) connectors.
- CHECK THE (P67)
DRIVER MIRROR VERTICAL POSITION SIGNAL CIRCUIT FOR A SHORT TO ANY
GROUND OR RETURN CIRCUITS
- Check for continuity
between the (P67) Driver Mirror Vertical Position Signal circuit and
any ground or return circuits in the Driver Outside Rearview Mirror
C1 and C2 (Component Side) harness connectors.
Is there continuity between the (P67) Driver Mirror Vertical Position Signal circuit and any ground or return circuits?
Yes
- Repair the (P67) Driver Mirror Vertical Position Signal circuit for a short to any ground or return circuits.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Go To 10
- Check for continuity
between the (P67) Driver Mirror Vertical Position Signal circuit and
any ground or return circuits in the Driver Outside Rearview Mirror
C1 and C2 (Component Side) harness connectors.
- CHECK THE (P65)
DRIVER MIRROR HORIZONTAL POSITION SIGNAL CIRCUIT FOR A SHORT TO ANY
GROUND OR RETURN CIRCUITS
- Check for continuity
between the (P65) Driver Mirror Horizontal Position Signal circuit
and any ground or return circuits at the Driver Outside Rearview Mirror
C1 and C2 (Component Side) harness connectors.
Is there continuity between the (P65) Driver Mirror Horizontal Position Signal circuit and any ground or return circuit(s)?
Yes
- Repair the (P65) Driver Mirror Horizontal Position Signal circuit for a short to any ground or return circuit(s).
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Go To 11
- Check for continuity
between the (P65) Driver Mirror Horizontal Position Signal circuit
and any ground or return circuits at the Driver Outside Rearview Mirror
C1 and C2 (Component Side) harness connectors.
- CHECK THE (P65)
DRIVER MIRROR HORIZONTAL POSITION SIGNAL CIRCUIT FOR A SHORT TO ANY
GROUND OR RETURN CIRCUITS
- Replace the Driver Outside Rearview Mirror in accordance with the Service Information. Refer to MIRROR, OUTSIDE REARVIEW , REMOVALMIRROR, OUTSIDE REARVIEW, GLASS , REMOVAL .
- Turn the ignition on.
- Using a scan tool, record and erase the Diagnostic Trouble Codes (DTCs).
- Turn the driver side turn signal on.
- Turn the approach lamps on, if equipped.
- Turn the rear defogger on, if equipped with heated mirror.
- Press and release the Mirror Select switch to select the Driver Outside Rearview Mirror.
- Operate the Mirror
Adjust Switch in all directions several times while monitoring the
scan tool for DTCs in the DDM.NOTE:
After adjusting the mirror in one direction wait at least two seconds before adjusting the mirror in the opposite direction, as this will allow time for an active DTC to set, if present.
Is the DTC active?
Yes
- Replace the Driver Door Module in accordance with the Service Information. Refer to MODULE, DOOR , REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Test complete.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .