Page 937 of 4284

Symptom:
FOLD MIRROR OUTPUT FAILURE
POSSIBLE CAUSES
INTERMITTENT CONDITION
LEFT POWER MIRROR
RIGHT POWER MIRROR
LEFT FOLDING MIRROR UNFOLD DRIVER SHORT TO VOLTAGE
RIGHT FOLDING MIRROR UNFOLD DRIVER SHORT TO VOLTAGE
LEFT FOLDING MIRROR UNFOLD DRIVER SHORT TO GROUND
RIGHT FOLDING MIRROR UNFOLD DRIVER SHORT TO GROUND
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
NOTE: Doors must be closed to allow the mirrors to fold with the power folding
mirror switch.
Attempt to operate the power folding mirror system with the power folding mirror
switch and by opening and closing both front doors with mirrors folded.
With the DRBIIIt, read DTCs.
Does the same DTC reset?All
Ye s®Go To 2
No®The condition that caused this DTC is currently not present. Use
the wiring diagram/schematic as a guide, and inspect the related
wiring harness for a possible intermittent condition.
Perform BODY VERIFICATION TEST - VER 1.
2 Disconnect the Left Power Mirror connector.
NOTE: Check connectors - Clean/repair as necessary.
With the DRBIIIt, erase DTC's.
Operate the Power Folding Mirror switch.
With the DRBIIIt, read DTCs.
Does the same DTC reset?All
Ye s®Go To 3
No®Replace the Left Power Mirror.
Perform BODY VERIFICATION TEST - VER 1.
3 Disconnect the Right Power Mirror connector.
NOTE: Check connectors - Clean/repair as necessary.
With the DRBIIIt, erase DTC's.
Operate the Power Folding Mirror switch.
With the DRBIIIt, read DTCs.
Does the same DTC reset?All
Ye s®Go To 4
No®Replace the Right Power Mirror.
Perform BODY VERIFICATION TEST - VER 1.
908
POWER MIRROR ± FOLDING
Page 938 of 4284

TEST ACTION APPLICABILITY
4 Disconnect the Left and Right Power Mirror connectors.
Disconnect the Body Control Module C2 connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure for unwanted voltage on the Left Folding Mirror Unfold Driver circuit in the
BCM C2 connector.
Is there any voltage present?All
Ye s®Repair the Left Folding Mirror Unfold Driver circuit for a short to
voltage.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 Disconnect the Left and Right Power Mirror connectors.
Disconnect the Body Control Module C2 connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure for unwanted voltage on the Right Folding Mirror Unfold Driver circuit in
the relay connector.
Is there any voltage present?All
Ye s®Repair the Right Folding Mirror Unfold Driver circuit for a short
to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 6
6 Disconnect the Left and Right Power Mirror connectors.
Disconnect the Body Control Module C2 connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the Left Folding Mirror Unfold Driver
circuit in the BCM C2 connector.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Left Folding Mirror Unfold Driver circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 7
7 Disconnect the Left and Right Power Mirror connectors.
Disconnect the Body Control Module C2 connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the Right Folding Mirror Unfold Driver
circuit in the relay connector.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Right Folding Mirror Unfold Driver circuit for a short
to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
909
POWER MIRROR ± FOLDING
FOLD MIRROR OUTPUT FAILURE ÐContinued
Page 939 of 4284

Symptom:
PASSENGER MIRROR RELAY OUTPUT OPEN
POSSIBLE CAUSES
INTERMITTENT CONDITION
FUSED B+ CIRCUIT OPEN
PASSENGER FOLDING MIRROR RELAY
PASSENGER FOLDING MIRROR RELAY CONTROL CIRCUIT SHORTED TO GROUND
PASSENGER FOLDING MIRROR RELAY CONTROL CIRCUIT OPEN
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
NOTE: Doors must be closed to allow the mirrors to fold with the power folding
mirror switch.
Attempt to operate the power folding mirror system with the power folding mirror
switch and by opening and closing both front doors with mirrors folded.
With the DRBIIIt, read DTCs.
Does the same DTC reset?All
Ye s®Go To 2
No®The condition that caused this DTC is currently not present. Use
the wiring diagram/schematic as a guide, and inspect the related
wiring harness for a possible intermittent condition.
Perform BODY VERIFICATION TEST - VER 1.
2 Disconnect the Passenger Folding Mirror Relay connector.
NOTE: Check connectors - Clean/repair as necessary.
Using a 12-volt test light connected to ground, check the Fused B+ circuit in the relay
connector.
The test light must illuminate brightly. Compare the brightness to that of a direct
connection to the battery.
Does the test light illuminate brightly?All
Ye s®Go To 3
No®Repair the Fused B+ circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
3 Remove the Passenger Folding Mirror Relay.
Check connectors - Clean/repair as necessary.
Install a substitute relay in place of the Passenger Folding Mirror Relay.
With the DRBIIIt, erase DTC's.
NOTE: Doors must be closed to allow the mirrors to fold with the power folding
mirror switch.
Attempt to operate the power folding mirror system with the power folding mirror
switch and by opening and closing both front doors with mirrors folded.
With the DRBIIIt, read DTCs.
Does the same DTC reset?All
Ye s®Go To 4
No®Replace the Passenger Folding Mirror Relay.
Perform BODY VERIFICATION TEST - VER 1.
910
POWER MIRROR ± FOLDING
Page 940 of 4284

TEST ACTION APPLICABILITY
4 Disconnect the Passenger Folding Mirror Relay connector.
Disconnect the Body Control Module C4 connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the Passenger Folding Mirror Relay
Control circuit in the relay connector.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Passenger Folding Mirror Relay Control circuit for a
short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 Disconnect the Passenger Folding Mirror Relay connector.
Disconnect the Body Control Module C4 connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance of the Passenger Folding Mirror Relay Control circuit
between the relay connector and the BCM C4 connector.
Is the resistance below 5.0 ohms?All
Ye s®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Repair the Passenger Folding Mirror Relay Control circuit for an
open.
Perform BODY VERIFICATION TEST - VER 1.
911
POWER MIRROR ± FOLDING
PASSENGER MIRROR RELAY OUTPUT OPEN ÐContinued
Page 941 of 4284

Symptom:
PASSENGER MIRROR RELAY OUTPUT SHORT
POSSIBLE CAUSES
INTERMITTENT CONDITION
PASSENGER FOLDING MIRROR RELAY
PASSENGER FOLDING MIRROR RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
NOTE: Doors must be closed to allow the mirrors to fold with the power folding
mirror switch.
Attempt to operate the power folding mirror system with the power folding mirror
switch and by opening and closing both front doors with mirrors folded.
With the DRBIIIt, read DTCs.
Does the same DTC reset?All
Ye s®Go To 2
No®The condition that caused this DTC is currently not present. Use
the wiring diagram/schematic as a guide, and inspect the related
wiring harness for a possible intermittent condition.
Perform BODY VERIFICATION TEST - VER 1.
2 Remove the Passenger Folding Mirror Relay.
Check connectors - Clean/repair as necessary.
Install a substitute relay in place of the Passenger Folding Mirror Relay.
With the DRBIIIt, erase DTC's.
NOTE: Doors must be closed to allow the mirrors to fold with the power folding
mirror switch.
Attempt to operate the power folding mirror system with the power folding mirror
switch and by opening and closing both front doors with mirrors folded.
With the DRBIIIt, read DTCs.
Does the same DTC reset?All
Ye s®Go To 3
No®Replace the Passenger Folding Mirror Relay.
Perform BODY VERIFICATION TEST - VER 1.
3 Disconnect the Passenger Folding Mirror Relay connector.
Disconnect the Body Control Module C4 connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure the voltage of the Passenger Folding Mirror Relay Control circuit in the
relay connector.
Is the voltage above 1.0 volts?All
Ye s®Repair the Passenger Folding Mirror Relay Control circuit for a
short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
912
POWER MIRROR ± FOLDING
Page 942 of 4284

Symptom:
UNFOLD MIRROR OUTPUT FAILURE
POSSIBLE CAUSES
INTERMITTENT CONDITION
PASSENGER FOLDING MIRROR RELAY
LEFT POWER MIRROR
RIGHT POWER MIRROR
DRIVER FOLDING MIRROR FOLD DRIVER SHORT TO VOLTAGE
PASSENGER FOLDING MIRROR RELAY OUTPUT SHORT TO VOLTAGE
PASSENGER FOLDING MIRROR RELAY INPUT SHORT TO VOLTAGE
DRIVER FOLDING MIRROR FOLD DRIVER SHORT TO GROUND
PASSENGER FOLDING MIRROR RELAY OUTPUT SHORT TO GROUND
PASSENGER FOLDING MIRROR RELAY INPUT SHORT TO GROUND
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
NOTE: Doors must be closed to allow the mirrors to fold with the power folding
mirror switch.
Attempt to operate the power folding mirror system with the power folding mirror
switch and by opening and closing both front doors with mirrors folded.
With the DRBIIIt, read DTCs.
Does the same DTC reset?All
Ye s®Go To 2
No®The condition that caused this DTC is currently not present. Use
the wiring diagram/schematic as a guide, and inspect the related
wiring harness for a possible intermittent condition.
Perform BODY VERIFICATION TEST - VER 1.
2 Install a substitute relay in place of the Passenger Folding Mirror Relay.
With the DRBIIIt, erase DTC's.
NOTE: Doors must be closed to allow the mirrors to fold with the power folding
mirror switch.
Attempt to operate the power folding mirror system with the power folding mirror
switch and by opening and closing both front doors with mirrors folded.
With the DRBIIIt, read DTCs.
Does the same DTC reset?All
Ye s®Go To 3
No®Replace the Passenger Folding Mirror Relay.
Perform BODY VERIFICATION TEST - VER 1.
913
POWER MIRROR ± FOLDING
Page 943 of 4284

TEST ACTION APPLICABILITY
3 Disconnect the Left Power Mirror connector.
NOTE: Check connectors - Clean/repair as necessary.
With the DRBIIIt, erase DTC's.
Operate the Power Folding Mirror switch.
With the DRBIIIt, read DTCs.
Does the same DTC reset?All
Ye s®Go To 4
No®Replace the Left Power Mirror.
Perform BODY VERIFICATION TEST - VER 1.
4 Disconnect the Right Power Mirror connector.
NOTE: Check connectors - Clean/repair as necessary.
With the DRBIIIt, erase DTC's.
Operate the Power Folding Mirror switch.
With the DRBIIIt, read DTCs.
Does the same DTC reset?All
Ye s®Go To 5
No®Replace the Right Power Mirror.
Perform BODY VERIFICATION TEST - VER 1.
5 Disconnect the Left and Right Power Mirror connectors.
Disconnect the Body Control Module C2 connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure for unwanted voltage on the Driver Folding Mirror Fold Driver circuit in the
BCM C2 connector.
Is there any voltage present?All
Ye s®Repair the Driver Folding Mirror Fold Driver circuit for a short to
voltage.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 6
6 Disconnect the Left and Right Power Mirror connectors.
Disconnect the Passenger Folding Mirror Relay.
NOTE: Check connectors - Clean/repair as necessary.
Measure for unwanted voltage on the Passenger Folding Mirror Relay Output circuit
in the relay connector.
Is there any voltage present?All
Ye s®Repair the Passenger Folding Mirror Relay Output circuit for a
short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 7
7 Disconnect the Body Control Module C2 connector.
Disconnect the Passenger Folding Mirror Relay.
NOTE: Check connectors - Clean/repair as necessary.
Measure for unwanted voltage on the Passenger Folding Mirror Relay Input circuit
in the relay connector.
Is there any voltage present?All
Ye s®Repair the Passenger Folding Mirror Relay Input circuit for a
short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 8
914
POWER MIRROR ± FOLDING
UNFOLD MIRROR OUTPUT FAILURE ÐContinued
Page 944 of 4284

TEST ACTION APPLICABILITY
8 Disconnect the Left and Right Power Mirror connectors.
Disconnect the Body Control Module C2 connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the Driver Folding Mirror Fold Driver
circuit in the BCM C2 connector.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Driver Folding Mirror Fold Driver circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 9
9 Disconnect the Left and Right Power Mirror connectors.
Disconnect the Passenger Folding Mirror Relay.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the Passenger Folding Mirror Relay
Output circuit in the relay connector.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Passenger Folding Mirror Relay Output circuit for a
short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 10
10 Disconnect the Body Control Module C2 connector.
Disconnect the Passenger Folding Mirror Relay.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the Passenger Folding Mirror Relay
Input circuit in the relay connector.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Passenger Folding Mirror Relay Input circuit for a
short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
915
POWER MIRROR ± FOLDING
UNFOLD MIRROR OUTPUT FAILURE ÐContinued