2001 CHRYSLER VOYAGER reset

Symptom:
P1698-NO BUS MESSAGE FROM TRANS CONTROL MODULE
When Monitored and Set Condition:
P1698-NO BUS MESSAGE FROM TRANS CONTROL MODULE
When Monitored: Equipped with automatic transmission. The ignition on. Battery
voltage greater than 10 volts.
Set Condition: No bus messages from the TCM for 20 seconds, two trips required.
POSSIBLE CAUSES
INTERMITTENT CONDITION
COMMUNICATE WITH TCM
PCM
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, erase DTCs.
Cycle the ignition key on and off several times.
With the DRBIIIt, read DTC's.
Does the DTC reset?All
Ye s®Go To 2
No®Go To 3
2 Turn the ignition on.
With the DRBIIIt, attempt to communicate with the TCM.
Can communication be established with the TCM?All
Ye s®Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER-1.
No®Refer to the Communication Category and perform the appropri-
ate symptom related to no communication with TCM.
Perform POWERTRAIN VERIFICATION TEST VER-1.
32
COMMUNICATION

Symptom:
P1389-NO ASD RELAY OUTPUT VOLTAGE AT PCM
When Monitored and Set Condition:
P1389-NO ASD RELAY OUTPUT VOLTAGE AT PCM
When Monitored: With ignition key on. Battery voltage greater than 10 volts.
Set Condition: No voltage sensed at the PCM when the ASD relay is energized.
POSSIBLE CAUSES
INTERMITTENT CONDITION
ASD RELAY
FUSED B+ CIRCUIT
ASD RELAY OUTPUT CIRCUIT OPEN (NO START)
IPM FUSE & RELAY CENTER
ASD RELAY OUTPUT CIRCUIT OPEN
PCM START
PCM
TEST ACTION APPLICABILITY
1NOTE: Inspect the ASD Relay fuse located in the IPM. If the ASD Relay fuse
is open, repair the cause of the open first before continuing. Inspect the ASD
Relay Output circuit for a short to ground for the cause of the open fuse.
NOTE: Diagnose P1388 - Auto Shutdown Relay Control Circuit first if set
along with this DTC.
With the DRBIIIt, erase the DTC.
Attempt to start the engine. If the engine will not start, crank the engine for at least
15 seconds. It may be necessary to repeat several times.
Does the DTC reset.All
Ye s®Go To 2
No®Go To 9
2 Attempt to start the engine.
Does the engine start.All
Ye s®Go To 3
No®Go To 5
198
DRIVEABILITY - GAS

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the PCM harness connector.
Disconnect the IPM C4 harness connector
Measure the resistance of the ASD Output circuit between the IPM harness
connector and the PCM harness connector.
Is the resistance below 5.0 ohms.All
Ye s®Go To 4
No®Repair the ASD Relay Output circuit for an open.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
4 If there are no possible causes remaining, view repair. All
Repair
Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
5 Turn the ignition off.
Install a substitute relay in place of the ASD Relay.
Attempt to start the engine.
With the DRBIIIt, read DTCs.
Does the DTC reset?All
Ye s®Go To 6
No®Replace the ASD Relay.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
6 Turn the ignition off.
Remove the ASD Relay from the IPM.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit in the IPM.
Does the test light illuminate?All
Ye s®Go To 7
No®Replace the IPM Fuse & Relay Center.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
7 Turn the ignition off.
Remove the ASD Relay from the IPM.
Disconnect the PCM harness connector.
Disconnect the IPM C4 harness connector.
Measure the resistance of the ASD Relay Output circuit between the IPM harness
connector and the PCM harness connector.
Is the resistance below 5.0 ohms.All
Ye s®Go To 8
No®Repair the ASD Relay Output circuit for an open.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
199
DRIVEABILITY - GAS
P1389-NO ASD RELAY OUTPUT VOLTAGE AT PCM ÐContinued

Symptom:
P1398-MIS-FIRE ADAPTIVE NUMERATOR AT LIMIT
When Monitored and Set Condition:
P1398-MIS-FIRE ADAPTIVE NUMERATOR AT LIMIT
When Monitored: Under closed throttle decel with A/C off, ECT above 75, and more than
50 seconds after engine start.
Set Condition: One of the CKP sensor target windows has more than 2.86% variance from
the reference window.
POSSIBLE CAUSES
INTERMITTENT CONDITION
TONE WHEEL/PULSE RING INSPECTION
WIRING HARNESS INSPECTION
CRANKSHAFT POSITION SENSOR
TEST ACTION APPLICABILITY
1Note: Check for any TSB's that may apply to this symptom.
Turn the ignition on.
With the DRBIIItin the miscellaneous menu, choose Clear PCM battery disconnect
to reset the PCM.
With the DRBIIIt, choose the Misfire Pretest
Road test the vehicle and relearn the adaptive numerator.
The adaptive numerator is learned when the Adaptive Numerator Done Learning
line on the Misfire screen changes to Yes.
Did the adaptive numerator relearn?All
Ye s®Go To 2
No®Go To 3
205
DRIVEABILITY - GAS

Symptom:
P1602-PCM NOT PROGRAMMED
When Monitored and Set Condition:
P1602-PCM NOT PROGRAMMED
When Monitored: Ignition key on.
Set Condition: PCM has not been programmed.
POSSIBLE CAUSES
PCM PROGRAMMED
TEST ACTION APPLICABILITY
1 Attempt to program PCM in accordance with the Service Information.
Turn the ignition on.
Start the engine.
NOTE: If the engine will not start, crank the engine over for 15 seconds.
Crank at least 2 time with the ignition switch returning to the off position
each time.
Allow the engine to reach normal operating temperature.
With the DRBIIIt, read DTCs.
Does the DTC reset?All
Ye s®Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER-1.
No®Test Complete.
221
DRIVEABILITY - GAS

Symptom List:
ANTENNA FAILURE
COP FAILURE
EEPROM FAILURE
INTERNAL FAULT
RAM FAILURE
SERIAL LINK INTERNAL FAULT
STACK OVERFLOW FAILURE
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be ANTENNA FAILURE.
When Monitored and Set Condition:
ANTENNA FAILURE
When Monitored: Every 250 milliseconds with the ignition on.
Set Condition: The SKIM's microcontroller determines that an antenna circuit fault has
occurred for 2.0 consecutive seconds.
COP FAILURE
When Monitored: With the ignition on.
Set Condition: The COP timer is not reset by the microcontroller every 65.5 milliseconds
EEPROM FAILURE
When Monitored: With the ignition on.
Set Condition: When the value written to EEPROM memory does not equal the value
read back after the write operation.
INTERNAL FAULT
When Monitored: With the ignition on.
Set Condition: The SKIM has detected a fault during an internal self test.
RAM FAILURE
When Monitored: With the ignition on.
Set Condition: The RAM fails a test that checks the RAM's ability to retain memory.
SERIAL LINK INTERNAL FAULT
When Monitored: With the ignition on.
Set Condition: The SKIM fails an internal J1850 communication self test.
STACK OVERFLOW FAILURE
When Monitored: With the ignition on.
Set Condition: The microcontroller has exceeded its stack space limit.
266
VEHICLE THEFT/SECURITY

Symptom List:
PCM STATUS FAILURE
SERIAL LINK EXTERNAL FAULT
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be PCM STATUS FAILURE.
When Monitored and Set Condition:
PCM STATUS FAILURE
When Monitored: With the ignition on.
Set Condition: This DTC exists when a PCM STATUS message was not received from the
PCM for at least 20.0 consecutive seconds.
SERIAL LINK EXTERNAL FAULT
When Monitored: At ignition on, after ignition on during any rolling code handshake that
occurs with the PCM due to a SKIM reset, or during SECRET KEY transfers to the PCM.
Set Condition: When the SKIM does not receive an expected PCI BUS message trans-
mission acknowledgement from the PCM after 3 transmit attempts.
POSSIBLE CAUSES
INTERMITTENT WIRING HARNESS PROBLEM
WIRING HARNESS INSPECTION
SKIM/PCM
TEST ACTION APPLICABILITY
1NOTE: Ensure the PCM has proper power and ground connections before
continuing.
With the DRB III, read and record the SKIM DTC's then erase the SKIM DTC's.
Turn the ignition off.
Wait 2 minutes.
Turn the ignition on.
With the DRB III, read the SKIM DTC's.
Does the DRB III display the DTC that was previously erased?All
Ye s®Go To 2
No®Go To 4
268
VEHICLE THEFT/SECURITY

Symptom:
ROLLING CODE FAILURE
When Monitored and Set Condition:
ROLLING CODE FAILURE
When Monitored: At ignition on, after ignition on during any rolling code handshake that
occurs with the PCM due to a SKIM or PCM reset.
Set Condition: When a PCM STATUS message with a Valid Key status is not received by
the SKIM within 3.5 seconds of transmitting the last Valid Key Code message to the PCM.
POSSIBLE CAUSES
VERIFYING PCM VIN
INTERMITTENT WIRING HARNESS PROBLEM
PCM
TEST ACTION APPLICABILITY
1 With the DRB III, erase the SKIM DTC's.
Turn the ignition off.
Wait 10 seconds.
Turn the ignition on and wait 2 minutes.
With the DRB III, read the SKIM DTC's.
Does the DRB III display the DTC that was previously erased?All
Ye s®Go To 2
No®Go To 4
2NOTE: Ensure that a VIN has been programmed into the PCM. If a VIN is not
displayed, attempt to program the PCM with the correct vehicle VIN before
continuing.
Turn the ignition on.
With the DRB III, select Engine system from the main menu.
Display and record the Vehicle Identification Number.
Does the VIN recorded from the PCM match the VIN of the vehicle?All
Ye s®Go To 3
No®Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
270
VEHICLE THEFT/SECURITY