Dodge Ram. Manual — part 80
Symptom:
*LEFT REAR DOOR AJAR CIRCUIT OPEN
POSSIBLE CAUSES
LEFT REAR DOOR AJAR SWITCH
LEFT REAR DOOR AJAR SWITCH GROUND CIRCUIT OPEN
LEFT REAR DOOR AJAR SWITCH SENSE CIRCUIT OPEN
INSTRUMENT CLUSTER - LEFT REAR DOOR AJAR OPEN
TEST
ACTION
APPLICABILITY
1
Disconnect the Left Rear Door Ajar Switch connector.
Connect a jumper wire between the Sense circuit and the Ground circuit.
With the DRBIII
t in Inputs/Outputs, read the LR DOOR AJAR SW state.
Does the DRBIII
t display CLOSED?
All
Yes
→ Replace the Left Rear Door Ajar Switch.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 2
2
Disconnect the Left Rear Door Ajar switch connector.
Using a 12-volt Test Light connected to 12-volts, probe the Ground circuit.
Does the test light illuminate brightly?
All
Yes
→ Go To 3
No
→ Repair the Left Rear Door Ajar Switch Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
3
Disconnect the Left Rear Door Ajar Switch harness connector.
Disconnect the Instrument Cluster C3 harness connector.
Measure the resistance of the Left Rear Door Ajar Switch Sense circuit between the
Instrument Cluster C1 connector and the Door Ajar Switch connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 4
No
→ Repair the Left Rear Door Ajar Switch Sense circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
4
If there are no possible causes remaining, view repair.
All
Repair
Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1.
317
DOOR AJAR
Symptom:
*LEFT REAR DOOR AJAR CIRCUIT SHORT TO GROUND
POSSIBLE CAUSES
LEFT REAR DOOR AJAR SWITCH SHORTED TO GROUND
LEFT REAR DOOR AJAR SWITCH SENSE CIRCUIT SHORTED TO GROUND
INSTRUMENT CLUSTER - DRIVER DOOR AJAR SHORTED
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t in Inputs/Outputs, read the LR DOOR AJAR SW state.
While monitoring the DRBIII
t, disconnect the Left Rear Door Ajar Switch harness
connector.
Did the Switch State change from CLOSED to OPEN?
All
Yes
→ Replace the Door Ajar Switch.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 2
2
Disconnect the Left Rear Door Ajar Switch harness connector.
Disconnect the Instrument Cluster C3 harness connector.
Using a 12-volt test light connected to 12-volts, probe the Left Rear Door Ajar Switch
Sense circuit and test for a short to ground.
Does the test light illuminate brightly?
All
Yes
→ Repair the Left Rear Door Ajar Switch Sense circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
3
If there are no possible causes remaining, view repair.
All
Repair
Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1.
318
DOOR AJAR
Symptom:
*PASSENGER DOOR AJAR CIRCUIT SHORTED TO GROUND
POSSIBLE CAUSES
PASSENGER DOOR AJAR SWITCH SHORTED TO GROUND
PASSENGER DOOR AJAR SWITCH SENSE CIRCUIT SHORTED TO GROUND
INSTRUMENT CLUSTER - PASSENGER DOOR AJAR SHORTED
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t in Inputs/Outputs, read the PASS DOOR AJAR SW state.
While monitoring the DRBIII
t, disconnect the Passenger Door Ajar Switch harness
connector.
Did the Switch State change from CLOSED to OPEN?
All
Yes
→ Replace the Passenger Door Ajar Switch.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 2
2
Disconnect the Passenger Door Ajar Switch harness connector.
Disconnect the Instrument Cluster C3 harness connector.
Using a 12-volt test light connected to 12-volts, probe the Driver Door Ajar Switch
Sense circuit and test for a short to ground.
Does the test light illuminate brightly?
All
Yes
→ Repair the Passenger Door Ajar Switch Sense circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
3
If there are no possible causes remaining, view repair.
All
Repair
Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1.
319
DOOR AJAR
Symptom:
*PASSENGER DOOR AJAR CKT OPEN
POSSIBLE CAUSES
PASSENGER DOOR AJAR SWITCH
PASSENGER DOOR AJAR SWITCH GROUND CIRCUIT OPEN
PASSENGER DOOR AJAR SWITCH SENSE CIRCUIT OPEN
INSTRUMENT CLUSTER - PASSENGER DOOR AJAR OPEN
TEST
ACTION
APPLICABILITY
1
Disconnect the Passenger Door Ajar Switch connector.
Connect a jumper wire between the Sense circuit and the Ground circuit.
With the DRBIII
t in Inputs/Outputs, read the PASS DOOR AJAR SW state.
Does the DRBIII
t display CLOSED?
All
Yes
→ Replace the Passenger Door Ajar Switch.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 2
2
Disconnect the Passenger Door Ajar switch connector.
Using a 12-volt Test Light connected to 12-volts, test the Ground circuit for
continuity.
Does the test light illuminate brightly?
All
Yes
→ Go To 3
No
→ Repair the Passenger Door Ajar Switch Ground circuit for an
open.
Perform BODY VERIFICATION TEST - VER 1.
3
Disconnect the Passenger Door Ajar Switch connector.
Disconnect the Instrument Cluster C3 harness connector.
Measure the resistance of the Passenger Door Ajar Switch Sense circuit between the
Instrument Cluster connector and the Door Ajar Switch connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 4
No
→ Repair the Passenger Door Ajar Switch Sense circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
4
If there are no possible causes remaining, view repair.
All
Repair
Replace the Instrument Cluster.
320
DOOR AJAR
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