Page 465 of 4284

Symptom:
*RIGHT FRONT DOOR AJAR SWITCH SENSE CIRCUIT SHORTED
TO GROUND
POSSIBLE CAUSES
RIGHT FRONT DOOR LOCK MOTOR/AJAR SWITCH SHORTED TO GROUND
RIGHT FRONT DOOR AJAR SWITCH SENSE CIRCUIT SHORTED TO GROUND
BODY CONTROL MODULE INTERNAL MALFUNCTION
TEST ACTION APPLICABILITY
1 With the DRBIIItin Inputs/Outputs, read the PASS DOOR AJAR SW state.
Disconnect the Right Front Door Lock Motor/Ajar Switch harness connector.
With the DRBIIItin Inputs/Outputs, read the PASS DOOR AJAR SW state.
Did the Switch State change from CLOSED to OPEN?All
Ye s®Replace the Right Front Door Lock Motor/Ajar Switch.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 2
2 Disconnect the Body Control Module C3 harness connector.
Disconnect the Right Front Door Lock Motor/Ajar Switch harness connector.
Using a 12-volt Test Light connected to 12-volts, test the Sense circuit for a short to
ground.
Does the Test Light illuminate?All
Ye s®Repair the Right Front Door Ajar Switch Sense circuit for a short
to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
436
DOOR AJAR
Page 466 of 4284

Symptom:
*RIGHT SLIDING DOOR AJAR CIRCUIT OPEN
POSSIBLE CAUSES
GROUND CIRCUIT OPEN
RIGHT SLIDING DOOR AJAR SWITCH SENSE CIRCUIT OPEN
RIGHT SLIDING DOOR AJAR SWITCH SENSE CIRCUIT OPEN
BODY CONTROL MODULE INTERNAL MALFUNCTION
RIGHT SLIDING DOOR LOCK MOTOR/AJAR SWITCH
TEST ACTION APPLICABILITY
1 Disconnect the Right Sliding Door Lock Motor/Ajar Switch harness connector at the
bottom of the door.
Connect a jumper wire between the Right Sliding Door Ajar Switch Sense circuit and
ground.
With the DRBIIItin Inputs/Outputs, read the RSLIDE DR AJAR SW state.
Did the Switch State change from OPEN to CLOSED?All
Ye s®Go To 2
No®Go To 4
2 Reconnect the Right Sliding Door Lock Motor/Ajar Switch connector at the bottom of
the door.
Remove the door panel from the sliding door.
Disconnect the Right Sliding Door Lock Motor/Ajar Switch connector at the door
mechanism.
Connect a jumper wire between the Right Sliding Door Ajar Switch Sense circuit and
ground.
With the DRBIIItin Inputs/Outputs, read the RSLIDE DR AJAR SW state.
Did the Switch State change from OPEN to CLOSED?All
Ye s®Go To 3
No®Repair the Right Sliding Door Lock Motor/Ajar Switch harness for
an open between the door mechanism and the intermediate
harness connector at the bottom of the door.
Perform BODY VERIFICATION TEST - VER 1.
3 Disconnect the Right Sliding Door Lock Motor/Ajar Switch connector at the door
mechanism.
Connect a jumper wire between the Right Sliding Door Ajar Switch Sense circuit and
the Ground circuit.
With the DRBIIItin Inputs/Outputs, read the RSLIDE DR AJAR SW state.
Did the Switch State change from OPEN to CLOSED?All
Ye s®Replace the Sliding Door Lock Motor/Ajar Switch.
Perform BODY VERIFICATION TEST - VER 1.
No®Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
437
DOOR AJAR
Page 467 of 4284
TEST ACTION APPLICABILITY
4 Disconnect the Right Sliding Door Lock Motor/Ajar Switch harness connector at the
bottom of the sliding door.
Gain access to the BCM C3 connector.
Back probe a jumper wire from the Right Sliding Door Ajar Switch Sense circuit at
the BCM to ground.
With the DRBIIItin Inputs/Outputs, read the RSLIDE DR AJAR SW state.
Did the Switch State change from OPEN to CLOSED?All
Ye s®Repair the Right Sliding Door Ajar Switch Sense circuit for an
open between the intermediate connector and the Body Control
Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
438
DOOR AJAR
*RIGHT SLIDING DOOR AJAR CIRCUIT OPEN ÐContinued
Page 468 of 4284

Symptom:
*RIGHT SLIDING DOOR AJAR CIRCUIT SHORTED TO GROUND
POSSIBLE CAUSES
RIGHT SLIDING DOOR LOCK MOTOR/AJAR SWITCH SHORTED TO GROUND
RIGHT SLIDING DOOR AJAR SWITCH SENSE CIRCUIT SHORTED TO GROUND
BODY CONTROL MODULE INTERNAL MALFUNCTION
RIGHT SLIDING DOOR LOCK MOTOR/AJAR SWITCH
TEST ACTION APPLICABILITY
1 With the DRBIIItin Inputs/Outputs, read the RSLIDE DR AJAR SW state.
Disconnect the Right Sliding Door Lock Motor/Ajar Switch harness connector at the
bottom of the door.
With the DRBIIItin Inputs/Outputs, read the RSLIDE DR AJAR SW state.
Did the Switch State change from CLOSED to OPEN?All
Ye s®Go To 2
No®Go To 3
2 Reconnect the Right Sliding Door Lock Motor/Ajar Switch connector at the bottom of
the door.
Remove the door panel from the sliding door.
Disconnect the Right Sliding Door Lock Motor/Ajar Switch connector at the door
mechanism.
With the DRBIIItin Inputs/Outputs, read the RSLIDE DR AJAR SW state.
Did the Switch State change from CLOSED to OPEN?All
Ye s®Replace the Sliding Door Lock Motor/Ajar Switch.
Perform BODY VERIFICATION TEST - VER 1.
No®Repair the Right Sliding Door Lock Motor/Ajar Switch harness for
a short to ground between the door mechanism and the interme-
diate harness connector at the bottom of the door.
Perform BODY VERIFICATION TEST - VER 1.
3 Disconnect the Body Control Module C3 harness connector.
Disconnect the Right Sliding Door Lock Motor/Ajar Switch harness connector at the
bottom of the sliding door.
Using a 12-volt Test Light connected to 12-volts, test the Sense circuit for a short to
ground.
Does the Test Light illuminate?All
Ye s®Repair the Right Sliding Door Ajar Switch Sense circuit for a
short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
439
DOOR AJAR
Page 469 of 4284

Symptom:
EBL RUN ONLY RELAY OPEN
When Monitored and Set Condition:
EBL RUN ONLY RELAY OPEN
When Monitored: Continuously with the ignition on.
Set Condition: The FCM has detected an open in the Rear Defogger Relay control circuit.
POSSIBLE CAUSES
OPEN B+ TO RELAY
VERIFY ACTIVE DTC
MISSING RELAY
FRONT CONTROL MODULE
REAR WINDOW DEFOGGER RELAY
INTELLIGENT POWER MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, erase the current Front Control Module DTC's.
Turn the ignition off, wait 10 seconds then turn the ignition on.
With the DRBIIIt, read the current Front Control Module DTC's.
Does the DRBIIItdisplay EBL RUN ONLY RELAY OPEN trouble code?All
Ye s®Go To 2
No®The condition that caused this symptom is currently not present
at this time.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off.
Check the IPM to make certain the Rear Window Defogger Relay is present.
Is the Rear Window Defogger Relay present?All
Ye s®Go To 3
No®Replace the missing Rear Defogger Relay.
Perform BODY VERIFICATION TEST - VER 1.
3 Remove the Rear Window Defogger relay from the IPM.
Measure the voltage of pin 86 in the Rear Defogger Relay socket.
Is the voltage above 10.0 volts?All
Ye s®Go To 4
No®Repair/replace open B+ to relay as necessary.
Perform BODY VERIFICATION TEST - VER 1.
440
ELECTRICALLY HEATED SYSTEMS
Page 470 of 4284
TEST ACTION APPLICABILITY
4 Turn the ignition off.
Install a known good relay in place of the Rear Window Defogger relay.
Turn the ignition on.
Attempt to operate the Rear Window Defogger.
With the DRBIIIt, read the current Front Control Module DTC's.
Does the DTC reset?All
Ye s®Go To 5
No®Replace the Rear Defogger Relay.
Perform BODY VERIFICATION TEST - VER 1.
5 Turn the ignition off.
Disconnect the Front Control Module from the Fuse and Relay Center.
Remove the Rear Window Defogger Relay.
Measure the resistance of the Rear Window Defogger Relay Control Circuit in the
Fuse and Relay Center.
Is the resistance below 5.0 ohms?All
Ye s®Replace the Front Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Fuse and Relay Center.
Perform BODY VERIFICATION TEST - VER 1.
441
ELECTRICALLY HEATED SYSTEMS
EBL RUN ONLY RELAY OPEN ÐContinued
Page 471 of 4284

Symptom:
EBL RUN ONLY RELAY SHORTED TO BATTERY
When Monitored and Set Condition:
EBL RUN ONLY RELAY SHORTED TO BATTERY
When Monitored: Continuously with the ignition on.
Set Condition: The FCM has detected a short to battery voltage in the Rear Defogger
Relay control circuit.
POSSIBLE CAUSES
VERIFY ACTIVE DTC
FRONT CONTROL MODULE
INTELLIGENT POWER MODULE
REAR WINDOW DEFOGGER RELAY
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, erase the current Front Control Module DTC's.
Turn the ignition off, wait 10 seconds then turn the ignition on.
With the DRBIIIt, read the current Front Control Module DTC's.
Does the DRBIIItdisplay EBL RUN ONLY RELAY SHORTED TO BATTERY
trouble code?All
Ye s®Go To 2
No®The condition that caused this symptom is currently not present
at this time.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off.
Install a known good relay in place of the Rear Window Defogger relay.
Turn the ignition on.
Attempt to operate the Rear Window Defogger.
With the DRBIIIt, read the current Front Control Module DTCs.
Did the DTC reset?All
Ye s®Go To 3
No®Replace the Rear Defogger Relay.
Perform BODY VERIFICATION TEST - VER 1.
3 Turn the ignition off.
Remove the Rear Window Defogger Relay from the IPM.
Remove the Front Control Module from the IPM.
Measure the voltage of the Rear Window Relay Control circuit.
Is the voltage above 1.0 volts?All
Ye s®Replace the Fuse and Relay Center.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Front Control Module.
Perform BODY VERIFICATION TEST - VER 1.
442
ELECTRICALLY HEATED SYSTEMS
Page 472 of 4284

Symptom:
BACKUP LAMP OUTPUT OPEN
When Monitored and Set Condition:
BACKUP LAMP OUTPUT OPEN
When Monitored: Trans in reverse.
Set Condition: Voltage output status is Low.
POSSIBLE CAUSES
INTERMITTENT CONDITION
GROUND CIRCUIT
BACKUP LAMP
TRANS RANGE SENSOR
BACKUP LAMP DRIVER CIRCUIT OPEN
BODY CONTROL MODULE
FRONT CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, clear all BCM, IPM DTC's.
Actuate the Backup Lamps.
With the DRBIIIt, read the DTC information.
Does the DRBIIItread: Backup Lamp Output Open?All
Ye s®Go To 2
No®The condition that caused the symptom is currently not present.
Inspect the related wiring for a possible intermittent condition.
Look for any chafed, pierced,pinched, or partially broken wires.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off
Disconnect either rear tail lamp harness connector.
Using a 12-volt test light connected to 12-volts, check the ground circuit.
Does the test light illuminate brightly?All
Ye s®Go To 3
No®Repair the Ground Circuit.
Perform BODY VERIFICATION TEST - VER 1.
443
EXTERIOR LIGHTING