Chrysler Voyager. Manual — part 123
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the PCM harness connector.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Turn the ignition to the Start position.
Using a 12-volt test light connected to ground, probe the Fused Ignition Switch
Output (Start) circuit in the appropriate terminal of special tool #8815.
Does the test light illuminate brightly?
All
Yes
→ Go To 5
No
→ Repair the Fused Ignition Switch (Start) circuit for an open or
high resistance.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
5
Turn ignition off.
Remove the Starter Relay from PDC.
WARNING: The Parking Brake must be engaged and the transmission must
be in Park for a vehicle equipped with an automatic transmission.
WARNING: The Starter may Engage in the next step. Keep away from
moving engine parts.
Briefly connect a jumper wire between Starter Relay B+ circuit and the Starter Relay
Output Circuits.
Turn the ignition to the crank position.
Did the Starter Motor crank the engine?
All
Yes
→ Go To 6
No
→ Go To 9
6
Turn the ignition off.
Remove the Starter Relay from the PDC.
Turn the ignition on.
Using a 12-volt test light, probe the Ignition Switch Output circuit in the Starter
Relay connector.
While observing 12-volt test light, hold ignition key in the start position.
Does the test light illuminate brightly?
All
Yes
→ Go To 7
No
→ Repair the Ignition Switch Output circuit for an open or high
resistance.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
7
Turn the ignition off.
Remove the Starter Relay from the PDC.
Disconnect the PCM harness connector.
Measure the Starter Relay Control circuit between the Relay terminal and the PCM
harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 8
No
→ Repair the Starter Relay Control circuit for an open.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
491
STARTING
*NO CRANK CONDITION —
Continued
TEST
ACTION
APPLICABILITY
8
Turn the ignition off.
Install a substitute a Relay in the of the Starter Motor Relay.
Attempt to start the vehicle.
Does the engine crank over?
All
Yes
→ Replace the Starter Motor Relay.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
No
→ Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
9
Turn ignition off.
Remove the Starter Relay from the PDC.
Disconnect the Starter Relay Output connector from the Starter Solenoid.
Measure the resistance of the Starter Relay Output circuit between the Relay and the
Solenoid harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 10
No
→ Repair Starter Relay Output circuit for an open.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
10
Turn the ignition off.
Remove the Starter Relay from the PDC.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit at the
Starter Relay terminal.
Does the test light illuminate brightly?
All
Yes
→ Go To 11
No
→ Repair the Fused B(+) Circuit for an open or high resistance.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
11
If there are no other possible causes remaining, review repair.
All
Repair
Replace the Starter.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
492
STARTING
*NO CRANK CONDITION —
Continued
Symptom:
*NO RESPONSE FROM PCM WITH A NO START CONDITION
POSSIBLE CAUSES
PCM FUSED B+ CIRCUIT
PCM FUSED IGNITION SWITCH OUTPUT CIRCUIT
PCM GROUND CIRCUITS
PCM
TEST
ACTION
APPLICABILITY
1
NOTE: The DRBIII
t and cable must be operating properly for the results of
this test to be valid.
NOTE: Ensure the ignition switch was on when trying to communicate with
the PCM.
Turn the ignition off.
Disconnect the PCM harness connector.
Using a 12-volt test light connected to ground, probe the PCM Fused B+ circuit in the
PCM harness connector.
Does the test light illuminate brightly?
All
Yes
→ Go To 2
No
→ Repair the Fused B+ circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
2
Turn the ignition off.
Disconnect the PCM harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the PCM Fused Ignition Switch
Output circuit in the PCM harness connector.
Does the test light illuminate brightly?
All
Yes
→ Go To 3
No
→ Repair the Ignition Switch Output circuit
Perform POWERTRAIN VERIFICATION TEST VER - 1.
3
Turn the ignition off.
Disconnect the PCM harness connector.
Using a 12-volt test light connected to battery voltage, probe all the PCM ground
circuits in the PCM harness connector.
Does the test light illuminate brightly?
All
Yes
→ Go To 4
No
→ Repair the PCM ground circuits.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
4
If there is 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 - 1.
493
STARTING
Symptom:
*START AND STALL CONDITION
POSSIBLE CAUSES
CHECKING DTCS
CHECKING SKIM DTCS
FUEL PRESSURE OUT OF SPECS
TP SENSOR SWEEP
TP SENSOR VOLTAGE GREATER THAN 0.92 VOLTS WITH THROTTLE CLOSED
ECT SENSOR OPERATION
OTHER POSSIBLE CAUSES FOR START & STALL
RESTRICTED FUEL SUPPLY LINE
FUEL PUMP INLET STRAINER PLUGGED
FUEL PUMP MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, read DTC’s.
Are any DTCs present?
All
Yes
→ Refer to the Driveability Category and perform the appropriate
symptom.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
No
→ Go To 2
2
Turn the ignition on.
NOTE: If you are unable to communicate with the SKIM, refer to the
Communication Category and perform the appropriate symptom.
With the DRBIII
t, read the SKIM codes.
Are there any SKIM DTCs?
All
Yes
→ Refer to the Vehicle Theft category and perform the appropriate
symptom.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
No
→ Go To 3
494
STARTING
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