2001 CHRYSLER VOYAGER Service Manual

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Page 961 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
11 Turn the ignition off.
Gain access to the RKE/Thatcham Alarm Module C1 connector.
While back probing, measure the voltage of the Front Intrusion Sensor Signal circuit.
Tur

TEST ACTION APPLICABILITY
11 Turn the ignition off.
Gain access to the RKE/Thatcham Alarm Module C1 connector.
While back probing, measure the voltage of the Front Intrusion Sensor Signal circuit.
Turn the ignition on while observing the voltmeter.
NOTE: Voltage will only be present during the first 6 seconds when the
ignition is turned on.
Is the voltage above 10.0 volts when the ignition is initially turned on?All
Ye s®Repair the Front Intrusion Sensor Signal circuit for an open.
Perform VTSS VERIFICATION TEST - 1A.
No®Replace the RKE/Thatcham Alarm Module.
Perform VTSS VERIFICATION TEST - 1A.
12 Turn the ignition off.
With the DRBIIIt, monitor the Intrusion Sensor.
Turn the ignition on.
NOTE: The Intrusion Sensors will only detect movement during initial
ignition on.
Does the DRBIIItshow INTRUSION DETECTED when the ignition is initially
turned on?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 13
13 Turn the ignition off.
Disconnect the Front Intrusion Sensor connector.
Connect a voltmeter to the Front Intrusion Sensor Signal circuit at the Intrusion
Sensor connector.
Turn the ignition on while observing the voltmeter.
NOTE: Voltage will only be present during the first 6 seconds when the
ignition is turned on.
Is the voltage above 10.0 volts when the ignition is initially turned on?All
Ye s®Go To 14
No®Go To 22
14 Turn the ignition off.
Measure the resistance of the Sensor Ground circuit at the Front Intrusion Sensor
connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 15
No®Go To 21
15 Replace the Intrusion Sensor with a known good sensor.
Turn the ignition on.
With the DRBIIIt, monitor the Intrusion Sensor.
Does the DRBIIItshow INTRUSION DETECTED?All
Ye s®Replace the Front Intrusion Sensor.
Perform VTSS VERIFICATION TEST - 1A.
No®Go To 16
932
VEHICLE THEFT/SECURITY
INTERNAL ULTRASONIC FAULT ÐContinued

Page 962 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
16 Turn the ignition off.
Disconnect the Rear Intrusion Sensor connector.
Connect a voltmeter to the Rear Intrusion Sensor Signal circuit at the Intrusion
Sensor connector.
T

TEST ACTION APPLICABILITY
16 Turn the ignition off.
Disconnect the Rear Intrusion Sensor connector.
Connect a voltmeter to the Rear Intrusion Sensor Signal circuit at the Intrusion
Sensor connector.
Turn the ignition on while observing the voltmeter.
NOTE: Voltage will only be present during the first 6 seconds when the
ignition is turned on.
Is the voltage above 10.0 volts when the ignition is initially turned on?All
Ye s®Go To 17
No®Go To 20
17 Turn the ignition off.
Measure the resistance of the Sensor Ground circuit at the Rear Intrusion Sensor
connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 18
No®Go To 19
18 Replace the Rear Intrusion Sensor with a known good sensor.
Turn the ignition on.
With the DRBIIIt, monitor the Intrusion Sensor.
Does the DRBIIItshow INTRUSION DETECTED?All
Ye s®Replace the Rear Intrusion Sensor.
Perform VTSS VERIFICATION TEST - 1A.
No®Replace the RKE/Thatcham Alarm Module.
Perform VTSS VERIFICATION TEST - 1A.
19 Gain access to the RKE/Thatcham Alarm Module.
Disconnect the RKE/Thatcham Alarm Module C1 connector.
Measure the resistance of the Sensor Ground circuit between the RKE/Thatcham
Alarm Module C1 connector and the Intrusion Sensor connector.
Is the resistance below 5.0 ohms?All
Ye s®Replace the RKE/Thatcham Alarm Module.
Perform VTSS VERIFICATION TEST - 1A.
No®Repair the Rear Sensor Ground circuit for an open.
Perform VTSS VERIFICATION TEST - 1A.
20 Turn the ignition off.
Gain access to the RKE/Thatcham Alarm Module C1 connector.
While back probing, measure the voltage of the Rear Intrusion Sensor Signal circuit.
Turn the ignition on while observing the voltmeter.
NOTE: Voltage will only be present during the first 6 seconds when the
ignition is turned on.
Is the voltage above 10.0 volts when the ignition is initially turned on?All
Ye s®Repair the Rear Intrusion Sensor Signal circuit for an open.
Perform VTSS VERIFICATION TEST - 1A.
No®Replace the RKE/Thatcham Alarm Module.
Perform VTSS VERIFICATION TEST - 1A.
933
VEHICLE THEFT/SECURITY
INTERNAL ULTRASONIC FAULT ÐContinued

Page 963 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
21 Gain access to the RKE/Thatcham Alarm Module.
Disconnect the RKE/Thatcham Alarm Module C1 connector.
Measure the resistance of the Sensor Ground circuit between the RKE/Th

Page 964 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
LOOPBACK ERROR
When Monitored and Set Condition:
LOOPBACK ERROR
When Monitored: During power up, following detection of any other Bus errors.
Set Condition: Internally transmitted message on

Page 965 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
NO VALID MESSAGES RECEIVED
When Monitored and Set Condition:
NO VALID MESSAGES RECEIVED
When Monitored: Continuously with the ignition on.
Set Condition: The RKE/Thatcham Alarm Module does no

Page 966 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
PCI BUS SHORTED TO BATTERY
When Monitored and Set Condition:
PCI BUS SHORTED TO BATTERY
When Monitored: Continuously with the ignition on.
Set Condition: The RKE/Thatcham Alarm Module has det

Page 967 of 4284

CHRYSLER VOYAGER 2001 Service Manual 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 detec

Page 968 of 4284

CHRYSLER VOYAGER 2001 Service Manual 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

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