2001 CHRYSLER VOYAGER air condition

Symptom:
PCI BUS SHORTED TO GROUND
When Monitored and Set Condition:
PCI BUS SHORTED TO GROUND
When Monitored: Continuously with the ignition on.
Set Condition: The RKE/Thatcham Alarm Module has detected a short to ground on the
PCI Bus.
POSSIBLE CAUSES
PCI BUS MALFUNCTION
INTERMITTENT CONDITION
TEST ACTION APPLICABILITY
1NOTE: If this code is set and active it will be necessary to perform the PCI
Bus Communication Failure symptom.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
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 VTSS VERIFICATION TEST - 1A.
No®The condition that caused this symptom is currently not present.
Inspect the related wiring harness for a possible intermittent
condition. Look for any chafed, pierced, pinched or partially
broken wires.
Perform VTSS VERIFICATION TEST - 1A.
938
VEHICLE THEFT/SECURITY

Symptom:
PCM MESSAGES NOT RECEIVED
When Monitored and Set Condition:
PCM MESSAGES NOT RECEIVED
When Monitored: Continuously with the ignition on.
Set Condition: The RKE/Thatcham Alarm Module does not receive any messages from
the PCM for at least 5 seconds.
POSSIBLE CAUSES
INTERMITTENT CONDITION
PCM COMMUNICATION FAILURE
PCI BUS CIRCUIT OPEN
RKE/THATCHAM ALARM MODULE - INTERNAL MALFUNCTION
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, attempt to communicate with the PCM.
Was the DRBIIItable to communicate with the PCM?All
Ye s®Go To 2
No®Refer to the Communication category and perform the appropri-
ate symptom.
Perform VTSS VERIFICATION TEST - 1A.
2 Turn the ignition on.
With the DRBIIIt, attempt to communicate with the RKE/Thatcham Alarm Module.
Was the DRBIIItable to communicate with the RKE/Thatcham Alarm Module?All
Ye s®The condition that caused this symptom is currently not present.
Inspect the related wiring harness for a possible intermittent
condition.
Perform VTSS VERIFICATION TEST - 1A.
No®Go To 3
3 Turn the ignition off.
Disconnect the RKE/Thatcham Alarm Module C1 harness connector.
Connect the diagnostic junction port tester #8339 to the diagnostic junction port.
NOTE: Do not connect the tester to the DRBIIIt.
Measure the resistance of the PCI Bus circuit between the diagnostic junction port
tester and the RKE/Thatcham Alarm Module C1 connector (cavity 13).
Is the resistance below 5.0 ohms?All
Ye s®Replace the RKE/Thatcham Alarm Module.
Perform VTSS VERIFICATION TEST - 1A.
No®Repair the PCI Bus circuit for an open.
Perform VTSS VERIFICATION TEST - 1A.
939
VEHICLE THEFT/SECURITY

Symptom:
VEHICLE THEFT ALARM INDICATOR OUTPUT OPEN
When Monitored and Set Condition:
VEHICLE THEFT ALARM INDICATOR OUTPUT OPEN
When Monitored: Continuously with the ignition on.
Set Condition: The BCM has detected an open in the VTSS Indicator Driver circuit.
POSSIBLE CAUSES
INTERMITTENT CONDITION
VTA LAMP FUNCTIONAL TEST
VTSS INDICATOR DRIVER CIRCUIT OPEN
BODY CONTROL MODULE INTERNAL MALFUNCTION
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, erase the current Body Control Module DTC's.
Turn the ignition off, wait 10 seconds then turn the ignition on.
With the DRBIIIt, read the current Body Control Module DTC's.
Does the DRBIIItdisplay: VTA INDICATOR OUTPUT OPEN?All
Ye s®Go To 2
No®The condition that caused this symptom is currently not present.
Inspect the related wiring harness for a possible intermittent
condition.
Perform VTSS VERIFICATION TEST - 1A.
2 With the DRBIIIt, actuate the VTA Indicator Lamp.
Did the VTA Lamp flash on and off during the actuation?All
Ye s®Replace the Body Control Module.
Perform VTSS VERIFICATION TEST - 1A.
No®Go To 3
3 Disconnect the Message Center harness connector.
Disconnect the Body Control Module C4 harness connector.
Measure the resistance of the VTSS Indicator Driver circuit.
Is the resistance below 5.0 ohms?All
Ye s®Replace the Body Control Module.
Perform VTSS VERIFICATION TEST - 1A.
No®Repair the VTSS Indicator Driver circuit for an open.
Perform VTSS VERIFICATION TEST - 1A.
940
VEHICLE THEFT/SECURITY

Symptom:
VEHICLE THEFT ALARM INDICATOR OUTPUT SHORT
When Monitored and Set Condition:
VEHICLE THEFT ALARM INDICATOR OUTPUT SHORT
When Monitored: Continuously with the ignition on.
Set Condition: The BCM has detected a short to ground in the VTSS Indicator Driver
circuit.
POSSIBLE CAUSES
INTERMITTENT CONDITION
MESSAGE CENTER INTERNAL MALFUNCTION
BODY CONTROL MODULE INTERNAL MALFUNCTION
VTSS INDICATOR DRIVER CIRCUIT SHORTED TO GROUND
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, erase the current Body Control Module DTC's.
Turn the ignition off, wait 10 seconds then turn the ignition on.
With the DRBIIIt, read the current Body Control Module DTC's.
Does the DRBIIItdisplay: VTA INDICATOR OUTPUT OPEN?All
Ye s®Go To 2
No®The condition that caused this symptom is currently not present.
Inspect the related wiring harness for a possible intermittent
condition.
Perform VTSS VERIFICATION TEST - 1A.
2 Disconnect the Body Control Module C4 connector.
Measure the resistance between ground and the VTSS Indicator Driver circuit.
Is the resistance below 5.0 ohms?All
Ye s®Go To 3
No®Replace the Body Control Module.
Perform VTSS VERIFICATION TEST - 1A.
3 Disconnect the Body Control Module C4 connector.
Disconnect the Message Center connector.
Measure the resistance of the VTSS Indicator Driver circuit to ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair the VTSS Indicator Driver circuit for a short to ground.
Perform VTSS VERIFICATION TEST - 1A.
No®Replace the Message Center assembly.
Perform VTSS VERIFICATION TEST - 1A.
941
VEHICLE THEFT/SECURITY

Symptom:
FRONT WASHER OUTPUT OPEN
POSSIBLE CAUSES
INTERMITTENT WIRING AND CONNECTORS
FRONT WASHER MOTOR CONTROL CIRCUIT OPEN
FUSED ACCESSORY RELAY OUTPUT CIRCUIT
FRONT WASHER MOTOR CONTROL CIRCUIT SHORT TO VOLTAGE
FRONT WASHER PUMP MOTOR
FRONT CONTROL MODULE
TEST ACTION APPLICABILITY
1 Ignition on, engine off.
Press the Front Washer Switch.
Does the Front Washer Motor Function?All
Ye s®Go To 2
No®Go To 3
2 Turn the ignition on.
With the DRBIIIt, erase all BCM and FCM DTCs.
Turn the ignition off.
The conditions necessary to set this DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this
circuit.
Wiggle the wiring while checking for shorts and open circuits.
Were there any problems found?All
Ye s®Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
3 Turn the ignition off to the lock position.
Disconnect the Front Washer Pump Motor harness connector.
Note: Check connectors - Clean/repair as necessary.
Ignition on, engine off.
Using a 12-volt test light connected to ground, check the Fused Accessory Relay
Output circuit in the Front Washer Pump Motor harness connector.
Does the test light illuminate brightly?All
Ye s®Go To 4
No®Repair the Fused Accessory Relay Output circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
961
WINDSHIELD WIPER & WASHER

Symptom:
HEADLAMP WASHER RELAY OPEN
POSSIBLE CAUSES
OPEN GROUND CIRCUIT
FUSED B+ CIRCUIT OPEN
HEADLAMP WASHER RELAY CONTROL CIRCUIT OPEN
HEADLAMP WASHER RELAY OUTPUT CIRCUIT OPEN
HEADLAMP WASHER PUMP MOTOR
HEADLAMP WASHER RELAY
FRONT CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition off.
Disconnect the Washer Pump connector.
Measure the resistance of the Washer Pump ground circuit.
Is the resistance below 5.0 ohms?All
Ye s®Go To 2
No®Repair the open Washer Pump ground circuit.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition on.
Disconnect the Headlamp Washer Relay.
Measure the voltage of the Fused B+ Circuit.
Is the voltage above 10.0 volts?All
Ye s®Go To 3
No®Repair the Fused B+ Circuit for an open condition.
Perform BODY VERIFICATION TEST - VER 1.
3 Turn the ignition off.
Disconnect the Headlamp Washer Relay.
Disconnect the FCM harness connector.
Measure the resistance of the Headlamp Washer Relay Control Circuit.
Is the resistance below 5.0 ohms?All
Ye s®Go To 4
No®Repair the Headlamp Washer Relay Control Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
4 Disconnect the Headlamp Washer Relay.
Disconnect the Headlamp Washer Pump Motor.
Measure the resistance of the Headlamp Washer Relay Output Circuit.
Is the resistance below 5.0 ohms?All
Ye s®Go To 5
No®Repair the Headlamp Washer Relay Output Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
973
WINDSHIELD WIPER & WASHER

Symptom:
HEADLAMP WASHER RELAY SHORT TO BATT
POSSIBLE CAUSES
FUSED B+ CIRCUIT OPEN
HEADLAMP WASHER RELAY CONTROL CIRCUIT OPEN
HEADLAMP WASHER PUMP MOTOR
HEADLAMP WASHER RELAY
FRONT CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
Disconnect the Headlamp Washer Relay.
Measure the voltage of the Fused B+ Circuit.
Is the voltage above 10.0 volts?All
Ye s®Go To 2
No®Repair the Fused B+ Circuit for an open condition.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off.
Disconnect the Headlamp Washer Relay.
Disconnect the FCM harness connector.
Measure the resistance of the Headlamp Washer Relay Control Circuit.
Is the resistance below 5.0 ohms?All
Ye s®Go To 3
No®Repair the Headlamp Washer Relay Control Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
3 Turn the ignition on.
Disconnect the Headlamp Washer Pump Motor connector.
Actuate the washers.
Measure the voltage of the Washer Pump Output Circuit.
Is the voltage above 10.0 volts?All
Ye s®Replace the Headlamp Washer Pump Motor.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 4
4 Turn the ignition off.
Install a known good relay in place of the Headlamp Washer Relay.
Turn the Washers on.
Do the Headlamp Washers operate normally?All
Ye s®Replace the Headlamp Washer Relay.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Front Control Module.
Perform BODY VERIFICATION TEST - VER 1.
975
WINDSHIELD WIPER & WASHER

Symptom:
REAR WASH SWITCH INPUT STUCK
When Monitored and Set Condition:
REAR WASH SWITCH INPUT STUCK
When Monitored: Ignition ON
Set Condition: Switch is applied for more than 10 seconds.
POSSIBLE CAUSES
REAR WASHER SWITCH STUCK
INTERMITTENT WIRING AND CONNECTORS
REAR WASHER SWITCH MUX CIRCUIT SHORT TO GROUND
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRB, select Body, Front Control Module and read the R Washer Switch
state.
Does the DRB display switch state as Closed?All
Ye s®Go To 2
No®Go To 4
2 Turn the ignition off.
Disconnect the Rear Washer Switch harness connector.
Turn the ignition on.
With the DRB, select Body, Front Control Module and read the R Washer Switch
state.
Does the DRB display switch state as Open?All
Ye s®Replace the Rear Washer Switch in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
3 Turn the ignition off.
Disconnect the Rear Washer Switch harness connector.
Disconnect the BCM harness connector.
Measure the resistance between ground and the Rear Washer Switch MUX circuit.
Is the resistance below 1000.0 ohms?All
Ye s®Repair the Rear Washer Switch MUX circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Body Control Module in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
976
WINDSHIELD WIPER & WASHER