
TEST ACTION APPLICABILITY
4 Turn the ignition off.
Disconnect the EVIC harness connector.
Disconnect the Automatic Day/Night Mirror harness connector.
Measure the resistance of the Automatic Headlamp Switch Sensor circuit in the
EVIC harness connector to ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Automatic Headlamp Switch Sensor circuit for a short
to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 Turn the ignition off.
Disconnect the Automatic Day/Night Mirror harness connector.
Disconnect the EVIC harness connector.
Using a 12 volt test light connected to ground, probe the Automatic Headlamp Switch
Sensor circuit in the Automatic Day/Night Mirror harness connector.
Does the test illuminate brightly?All
Ye s®Repair the Automatic Headlamp Switch Sensor circuit for a
shorted to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 6
6 If there are no possible causes remaining, view repair. All
Repair
Replace the CMTC/EVIC Module.
Perform BODY VERIFICATION TEST - VER 1.
7WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?All
Ye s®Repair as necessary
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
713
OVERHEAD CONSOLE
EC MIRROR DAY/NIGHT LINE FAULT ÐContinued

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Install a substitute CMTC/EVIC Module in place of the original module.
With the DRBIIIt, erase DTCs.
Turn the ignition on.
Cycle the ignition on and off, leaving the ignition in the on position for at least 15
seconds each time.
With the DRBIIIt, read DTCs.
Did the DTC reset?All
Ye s®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the CMTC/EVIC Module.
Perform BODY VERIFICATION TEST - VER 1.
4WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?All
Ye s®Repair as necessary
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
716
OVERHEAD CONSOLE
OTIS MODULE MESSAGE MISMATCH ÐContinued

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Install a substitute CMTC/EVIC Module in place of the original module.
With the DRBIIIt, erase DTCs.
Turn the ignition on.
Cycle the ignition on and off, leaving the ignition in the on position for at least 15
seconds each time.
With the DRBIIIt, read DTCs.
Did the DTC reset?All
Ye s®Replace the Front Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the CMTC/EVIC Module.
Perform BODY VERIFICATION TEST - VER 1.
4WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?All
Ye s®Repair as necessary
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
718
OVERHEAD CONSOLE
OTIS MODULE MESSAGE MISMATCH (DIESEL) ÐContinued

Symptom:
INCOMPLETE LATCH CINCH - PAWL SWITCH FAILURE
When Monitored and Set Condition:
INCOMPLETE LATCH CINCH - PAWL SWITCH FAILURE
When Monitored: During the liftgate close operation.
Set Condition: The cinch operation was not completed in 4 seconds. The ratchet switch
was detected as open, but the pawl switch did not change to open.
POSSIBLE CAUSES
DTC PRESENT
BINDING LIFTGATE
CLUTCH GROUND OPEN
LIFTGATE LATCH CLUTCH DRIVER WIRE OPEN
PAWL SWITCH SENSE WIRE SHORT TO GROUND
PAWL SWITCH SENSE WIRE SHORT TO HARNESS GROUND
POWER LIFTGATE MODULE - PAWL SWITCH SENSE
PAWL SWITCH
TEST ACTION APPLICABILITY
1NOTE: This DTC will only set during the cinching operation after the 4
second time out. This may make it difficult to reproduce.
With the DRBIIIt, record and erase DTC's.
Turn the ignition off, wait 10 seconds, then turn the ignition on.
Operate the power liftgate several times if possible.
With the DRBIIIt, read ACTIVE DTCs.
Does the DRBIIItdisplay INCOMPLETE LATCH CINCH - PAWL SWITCH FAIL-
URE?All
Ye s®Go To 2
No®Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition. Operate the
door several times and check for any binding or other obstruc-
tions.
Perform BODY VERIFICATION TEST - VER 1.
2 Examine the liftgate for proper fit and alignment, lose/hard or torn seals, latch
striker or anything that would cause an obstruction to proper operation.
Manually operate the liftgate of a known good vehicle and notice the effort needed to
open and close.
Compare the effort needed on the disabled liftgate.
Does it take more effort to operate the liftgate than it should?All
Ye s®Refer to Service information for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
776
POWER DOORS - LIFTGATE

TEST ACTION APPLICABILITY
3 With the DRBIIItin Inputs/Outputs, read the PAWL SWITCH state.
Open the liftgate to full open position.
Using a screwdriver, click the latch to the first detent while observing the DRB111t.
Unlatch the latch by pulling the handle switch and observe the DRB111tfor a state
change.
Repeat this step several times while moving the door in different positions and
wiggling the wiring harness to check for an intermittent short..
Did the DRB111tshow the switch state changes correctly every time?All
Ye s®Go To 4
No®Go To 7
4 Turn the ignition off.
Disconnect the Liftgate Cinch/Release Motor connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit (cavity 4).
Wiggle the harness and check for an intermittent open condition.
Does the test light illuminate brightly?All
Ye s®Go To 5
No®Repair the Clutch Ground wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
5 Turn the ignition off.
Disconnect the Power Liftgate Module C1 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance of the Liftgate Latch Clutch Driver circuit between the Power
Liftgate Module C1 connector and the Liftgate Cinch/Release Motor connector.
Wiggle the harness and check for an intermittent open condition.
Is the resistance below 5.0 ohms?All
Ye s®Go To 6
No®Repair the Liftgate Latch Clutch Driver wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
6 If there are no possible causes remaining, view repair. All
Repair
Replace the Power Liftgate Module.
Perform BODY VERIFICATION TEST - VER 1.
7 Disconnect the Power Liftgate Module C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance between ground and the Liftgate Pawl Switch Sense circuit.
Wiggle the harness while observing the ohmmeter.
Is the resistance below 1000.0 ohms?All
Ye s®Repair the Liftgate Pawl Switch Sense wire for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 8
777
POWER DOORS - LIFTGATE
INCOMPLETE LATCH CINCH - PAWL SWITCH FAILURE ÐContinued

TEST ACTION APPLICABILITY
2 Examine the liftgate for proper fit and alignment, lose/hard or torn seals, latch
striker or anything that would cause an obstruction to proper operation.
Manually operate the liftgate of a known good vehicle and notice the effort needed to
open and close.
Compare the effort needed on the disabled liftgate.
Does it take more effort to operate the liftgate than it should?All
Ye s®Refer to Service information for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
3 With the DRBIIItin Inputs/Outputs, read the RATCHET SWITCH state.
Open the liftgate to full open position.
Using a screwdriver, click the latch to the second detent while observing the
DRB111t.
Unlatch the latch by pressing the handle switch and observe the DRB111tfor a state
change.
Repeat this step several times while moving the liftgate in different positions and
wiggling the wiring harness to check for an intermittent short.
Did the DRB111tshow the switch state changes correctly every time?All
Ye s®Replace the Power Sliding Door Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 4
4 Turn the ignition off.
Disconnect the Liftgate Cinch/Release Motor connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit (cavity 4).
Wiggle the harness and check for an intermittent open condition.
Does the test light illuminate brightly?All
Ye s®Go To 5
No®Repair the Clutch Ground wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
5 Turn the ignition off.
Disconnect the Power Liftgate Module C1 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance of the Liftgate Latch Clutch Driver circuit between the Power
Liftgate Module C1 connector and the Liftgate Cinch/Release Motor connector.
Wiggle the harness and check for an intermittent open condition.
Is the resistance below 5.0 ohms?All
Ye s®Go To 6
No®Repair the Liftgate Latch Clutch Driver wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
6 Disconnect the Power Liftgate C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance of the Ground wire between the PLG C2 connector (cavity 20)
and the Liftgate Cinch/Release Motor connector (cavity 1).
Wiggle the harness while observing the ohmmeter.
Is the resistance below 5.0 ohms?All
Ye s®Go To 7
No®Repair the Ground wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
780
POWER DOORS - LIFTGATE
INCOMPLETE LATCH CINCH - RATCHET SWITCH FAILURE ÐContinued

TEST ACTION APPLICABILITY
3 With the DRBIIItin Inputs/Outputs, read the RATCHET state.
Open the liftgate to full open position.
Using a screwdriver, click the latch to the second detent while observing the
DRBIIIt.
Unlatch the latch by pressing the handle switch or using the key and observe the
DRBIIItfor a state change.
Repeat this step several times while moving the liftgate in different positions and
wiggling the wiring harness to check for an intermittent short.
Did the DRB111tshow the switch state changes correctly every time?All
Ye s®Replace the Power Liftgate Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 4
4 Disconnect the Power Liftgate C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance of the Ground wire between the PLG C2 connector (cavity 20)
and the Liftgate Cinch/Release Motor connector (cavity 1).
Wiggle the harness while observing the ohmmeter.
Is the resistance below 5.0 ohms?All
Ye s®Go To 5
No®Repair the Ground wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
5 Disconnect the Power Liftgate Module C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector (latch assembly).
Measure the resistance of the Liftgate Ajar Switch Sense wire between the PLG C2
connector and the Liftgate Cinch/Release Motor connector.
Wiggle the harness and move the liftgate in different positions while observing the
ohmmeter.
Is the resistance below 5.0 ohms?All
Ye s®Go To 6
No®Repair the Liftgate Ajar Switch Sense wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
6 If there are no possible causes remaining, view repair. All
Repair
Replace the Ratchet Switch (latch assembly).
Perform BODY VERIFICATION TEST - VER 1.
786
POWER DOORS - LIFTGATE
INCOMPLETE LATCH RELEASE - RATCHET SWITCH FAILURE Ð
Continued

TEST ACTION APPLICABILITY
3 With the DRBIIItin Inputs/Outputs, read the PAWL state.
Open the liftgate to full open position.
Using a screwdriver, click the latch to the first detent while observing the DRB111t.
Unlatch the latch by pressing the handle switch or using the key and observe the
DRB111tfor a state change.
Repeat this step several times while moving the liftgate in different positions and
wiggling the wiring harness to check for an intermittent open..
Did the DRB111tshow the switch state changes correctly every time?All
Ye s®Replace the Power Liftgate Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 4
4 Disconnect the Power Liftgate C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector.
Measure the resistance of the Ground wire between the PLG C2 connector (cavity 20)
and the Liftgate Cinch/Release Motor connector (cavity 1).
Wiggle the harness while observing the ohmmeter.
Is the resistance below 5.0 ohms?All
Ye s®Go To 5
No®Repair the Ground wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
5 Disconnect the Sliding Door Control Module C2 connector.
Disconnect the Liftgate Cinch/Release Motor connector (latch assembly).
Measure the resistance of the Liftgate Pawl Switch Sense circuit between the PLG
C2 connector and the Liftgate Cinch/Release Motor connector.
Wiggle the harness while observing the ohmmeter.
Is the resistance below 5.0 ohms?All
Ye s®Go To 6
No®Repair the Liftgate Pawl Switch Sense wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
6 If there are no possible causes remaining, view repair. All
Repair
Replace the Liftgate Pawl Switch (latch assembly).
Perform BODY VERIFICATION TEST - VER 1.
789
POWER DOORS - LIFTGATE
INCOMPLETE LATCH RELEASE- PAWL SWITCH FAILURE ÐContinued