TEST ACTION APPLICABILITY
3 Turn the ignition off.
Gain access to the bottom of the Fuse and Relay Center.
Disconnect connector C9 from the Fuse and Relay Center.
Measure the resistance of the Fused Ignition Switch Output circuit between the FCM
connector cavity 37 and the Fuse and Relay Center connector C9 cavity 2.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Fused Ignition Switch Output circuit for an open
between the Fuse and Relay Center and the ignition switch.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Fuse and Relay Center.
Perform BODY VERIFICATION TEST - VER 1.
630
INTELLIGENT POWER MODULE
IGNITION START INPUT WIRING ÐContinued
Symptom:
*POWER LIFTGATE INOPERATIVE
POSSIBLE CAUSES
DTC'S PRESENT
MODULE RESPONSE
INTERMITTENT PROBLEM
SYSTEM TESTS
TEST ACTION APPLICABILITY
1 With the DRBIIItcheck for response from the Body Computer and the Power
Liftgate Modules
Is there response from both modules?All
Ye s®Go To 2
No®Refer to symptom list for problems related to COMMUNICA-
TION.
2 With the DRBIIIt, read DTCs in POWER LIFTGATE and BODY COMPUTER.
Are any Power Liftgate related codes present?All
Ye s®Refer to symptom list for problems related to POWER LIFT-
GATE.
No®Go To 3
3 This test will determine what inhibited the Power Liftgate from operating properly.
With the DRBIIIt, select POWER LIFTGATE, MISCELLANEOUS, LAST INHIBIT
MONITOR.
Does the DRBIIItdisplay any INHIBIT REASONS?All
Ye s®Check for any binding conditions or other restrictions that may
prevent proper operation. Using the wiring diagram/schematic as
a guide, inspect the wiring and connectors.
No®Go To 4
4 Ensure Liftgate is fully closed before proceeding.
With the DRBIIItselect SYSTEM TEST.
Perform the Open, Close, Latch Cinch, Latch Release and Relay tests.
Did any test fail?All
Ye s®Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors.
No®Test Complete.
833
POWER DOORS - LIFTGATE
Symptom:
*POWER SLIDING DOOR INOPERATIVE
POSSIBLE CAUSES
DTC'S PRESENT
MODULE RESPONSE
INTERMITTENT PROBLEM
SYSTEM TESTS
TEST ACTION APPLICABILITY
1 With the DRBIIItcheck for response from the Body Computer and the Power Sliding
Door Modules
Is there response from both modules?All
Ye s®Go To 2
No®Refer to symptom list for problems related to COMMUNICA-
TION.
2 With the DRBIIIt, read DTCs in POWER SLIDING DOOR and BODY COMPUTER.
Are any Power Sliding Door related codes present?All
Ye s®Refer to symptom list for problems related to POWER SLIDING
DOORS.
No®Go To 3
3 This test will determine what inhibited the Power Sliding Door from operating
properly.
With the DRBIIIt, select POWER SLIDING DOOR, MISCELLANEOUS, LAST
INHIBIT MONITOR.
Does the DRBIIItdisplay any INHIBIT REASONS?All
Ye s®Check for any binding conditions or other restrictions that may
prevent proper operation. Using the wiring diagram/schematic as
a guide, inspect the wiring and connectors.
No®Go To 4
4 Ensure the sliding door is fully closed before proceeding.
With the DRBIIItselect SYSTEM TEST.
Perform the Open, Close, Latch Cinch, Latch Release and Relay tests.
Did any test fail?All
Ye s®Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors.
No®Test Complete.
907
POWER DOORS - SLIDING
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
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
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
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
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