ignition CHRYSLER VOYAGER 2001 Service Manual

TEST ACTION APPLICABILITY
6 Turn the ignition off.
Disconnect the A/C - Heater Control Module C1 harness connector.
Disconnect the Rear Blower Rear Control Switch C2 harness connector.
Turn the ignition on.
Measure the voltage between the 5 Volt Supply circuit and ground.
Is there any voltage present?All
Ye s®Repair the 5 Volt Supply circuit for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 7
7 Turn the ignition off.
Disconnect the A/C - Heater Control Module C1 harness connector.
Disconnect the Rear Blower Rear Control Switch C2 harness connector.
Turn the ignition on.
Measure the voltage between the Rear Temperature Feedback Signal circuit and
ground.
Is there any voltage present?All
Ye s®Repair the Rear Temperature Feedback Signal circuit for a short
to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 8
8 Turn the ignition off.
Disconnect the A/C - Heater Control Module C1 harness connector.
Disconnect the Rear Blower Rear Control Switch C2 harness connector.
Measure the resistance between the Rear Temperature Feedback Signal circuit and
the Rear Temperature Return circuit.
Is the resistance above 10K ohms?All
Ye s®Replace the A/C - Heater Control Module in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No®Repair the Rear Temperature Feedback Signal circuit for a short
to the Rear Temperature Return circuit.
Perform BODY VERIFICATION TEST - VER 1.
558
HEATING & A/C
REAR BLEND POT CIRCUIT SHORT (ACTIVE) - MANUAL A/C ÐContinued

Symptom:
TX FAILURE (ACTIVE) - MANUAL A/C
When Monitored and Set Condition:
TX FAILURE (ACTIVE) - MANUAL A/C
When Monitored: When the ignition is on.
Set Condition: This DTC will set if the A/C - Heater Control Module is unable to send a
message.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE HVAC MODULE
ADDITIONAL CODE(S) PRESENT
ATTEMPT TO COMMUNICATE WITH THE PCM/ECM, BCM, AND FCM
A/C - HEATER CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, attempt to communicate with the HVAC Module.
Was the DRBIIItable to I/D or communicate with the HVAC Module?All
Ye s®Go To 2
No®Refer to Communication for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition on.
With the DRBIIIt, read HVAC DTCs.
Does the DRBIIItdisplay any additional HVAC DTCs?All
Ye s®Return to the symptom list and choose the symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
3 Turn the ignition on.
With the DRBIIIt, attempt to communicate with the PCM/ECM.
With the DRBIIIt, attempt to communicate with the BCM.
With the DRBIIIt, attempt to communicate with the FCM.
Was the DRBIIItable to I/D or communicate with the PCM/ECM, BCM and FCM?All
Ye s®Go To 4
No®Refer to Communication for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
559
HEATING & A/C

TEST ACTION APPLICABILITY
4 Turn the ignition on.
With the DRBIIIt, erase HVAC DTCs.
Cycle the ignition switch and wait approximately 1 minute.
With the DRBIIIt, read HVAC DTC's.
Did this DTC reset?All
Ye s®Replace the A/C - Heater Control Module in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
560
HEATING & A/C
TX FAILURE (ACTIVE) - MANUAL A/C ÐContinued

Symptom:
ABS LAMP CKT SHORT
POSSIBLE CAUSES
EMIC - INTERNAL ERROR
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, record and erase DTC's.
Turn the ignition off, wait 15 seconds, then turn the ignition on.
With the DRBIIIt, read DTCs.
Did the DTC return?All
Ye s®Go To 2
No®Test Complete.
2 If there are no possible causes remaining, view repair. All
Repair
Replace the EMIC.
Perform BODY VERIFICATION TEST - VER 1.
561
INSTRUMENT CLUSTER

Symptom:
ABS LAMP OPEN
POSSIBLE CAUSES
EMIC - INTERNAL ERROR
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, record and erase DTC's.
Turn the ignition off, wait 15 seconds, then turn the ignition on.
With the DRBIIIt, read DTCs.
Did the DTC return?All
Ye s®Go To 2
No®Test Complete.
2 If there are no possible causes remaining, view repair. All
Repair
Replace the EMIC.
Perform BODY VERIFICATION TEST - VER 1.
562
INSTRUMENT CLUSTER

Symptom:
AIRBAG LAMP CKT SHORT
POSSIBLE CAUSES
EMIC - INTERNAL ERROR
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, record and erase DTC's.
Turn the ignition off, wait 15 seconds, then turn the ignition on.
With the DRBIIIt, read DTCs.
Did the DTC return?All
Ye s®Go To 2
No®Test Complete.
2 If there are no possible causes remaining, view repair. All
Repair
Replace the EMIC.
Perform BODY VERIFICATION TEST - VER 1.
563
INSTRUMENT CLUSTER

Symptom:
AIRBAG LAMP OPEN
POSSIBLE CAUSES
EMIC - INTERNAL ERROR
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, record and erase DTC's.
Turn the ignition off, wait 15 seconds, then turn the ignition on.
With the DRBIIIt, read DTCs.
Did the DTC return?All
Ye s®Go To 2
No®Test Complete.
2 If there are no possible causes remaining, view repair. All
Repair
Replace the EMIC.
Perform BODY VERIFICATION TEST - VER 1.
564
INSTRUMENT CLUSTER

Symptom:
EL PANEL SHORT
POSSIBLE CAUSES
CHECK EXTERIOR ILLUMINATION
CHECK OPERATION OF ALL GAUGES
VERIFY CONCERN
PANEL LAMP DRIVER CIRCUIT SHORT TO GROUND
PANEL LAMP DRIVER OPEN CIRCUIT
OPEN GROUND CIRCUIT
BCM PANEL LAMP DRIVER CIRCUIT INTERNAL FAILURE
INSTRUMENT CLUSTER PANEL LAMPS DRIVER INTERNAL FAILURE
TEST ACTION APPLICABILITY
1 Ignition on, engine not running.
Turn the Headlamp Switch to the ON position.
Monitor the Instrument Cluster gauges for illumination.
Are any Instrument Cluster gauges illuminated?All
Ye s®Go To 3
No®Go To 2
2 Ignition on, engine not running.
Turn the Headlamp Switch to the ON position.
Monitor the Instrument Cluster gauges for illumination.
Are all of the Instrument Cluster gauges illuminated?All
Ye s®Go To 3
No®Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1.
3 Ignition on, engine not running.
Turn the headlamp switch to the ON position.
Monitor the Headlamps for illumination.
Are the Headlamps illuminated?All
Ye s®Go To 4
No®Refer to EXTERIOR ILLUMINATION for the related symp-
tom(s).
Perform BODY VERIFICATION TEST - VER 1.
4 Ignition on, engine not running.
With the DRBIIIt, erase DTCs.
Cycle the ignition switch from OFF to ON.
Wait 1 to 2 minutes for the system to cycle.
With the DRBIIIt, read DTCs.
Did the DTC reset?All
Ye s®Go To 5
No®Perform the Instrument Cluster Self-Test and verify the concern.
Perform BODY VERIFICATION TEST - VER 1.
565
INSTRUMENT CLUSTER

TEST ACTION APPLICABILITY
5 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Measure the resistance between ground and the Panel Lamps Driver circuit
(Instrument Cluster harness).
Disconnect the BCM C2 harness connector.
Is the resistance above 10,000 ohms?All
Ye s®Go To 6
No®Repair the Panel Lamps Driver Circuit for a Short to Ground.
Perform BODY VERIFICATION TEST - VER 1.
6 Turn the ignition off.
Disconnect the BCM C2 harness connector.
Disconnect the Instrument Cluster harness connector.
Measure the resistance of the Panel Lamps Driver circuit between the BCM C2
connector and the Instrument Cluster connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 7
No®Repair the Panel Lamp Driver Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
7 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Measure the resistance of the Instrument Cluster harness ground circuits.
Are the resistances below 5.0 ohms?All
Ye s®Go To 8
No®Repair Instrument Cluster ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
8 Turn the ignition off.
Disconnect the BCM C2 harness connector.
Connect a jumper wire between Panel Lamps Driver circuit (BCM C2 harness) and
B(+).
Turn the ignition on.
Monitor the Instrument Cluster gauges for illumination.
Did the Instrument Cluster gauges illuminate?All
Ye s®Replace the Body Control Module. With the DRBIII, erase DTC's.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
566
INSTRUMENT CLUSTER
EL PANEL SHORT ÐContinued

Symptom:
FRONT FOG LAMP INDICATOR OPEN
POSSIBLE CAUSES
INTERMITTENT WIRING AND CONNECTORS
FRONT FOG LAMP INDICATOR CIRCUIT OPEN
FRONT FOG LAMP INDICATOR GROUND CIRCUIT OPEN
FRONT FOG LAMP INDICATOR CIRCUIT SHORT TO VOLTAGE
HEADLAMP SWITCH
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, record and erase Body Control Module DTC's.
Turn the ignition off, wait 15 seconds, then turn the ignition on.
Turn on the Front Fog Lamps.
With the DRBIIIt, read DTCs.
Does the DRBIIItdisplay FRONT FOG LAMP INDICATOR OPEN?All
Ye s®Go To 2
No®Go To 8
2 Turn the ignition off to the lock position.
Note: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
Turn ON the Front Fog Lamps.
Using a 12-volt test light connected to ground, back probe the Front Fog Lamp
Indicator circuit in the Headlamp Switch harness connector.
NOTE: 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®Go To 6
3 Turn the ignition off to the lock position.
Disconnect the Body Control Module harness connector.
Disconnect the Headlamp Switch harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance of the Front Fog Lamp Indicator Ground circuit from the
Body Control Module harness connector to the Headlamp Switch harness connector.
Is the resistance above 5.0 ohms?All
Ye s®Repair the Front Fog Lamp Indicator Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 4
567
INSTRUMENT CLUSTER