Grand Caravan V6-3.8L (2009)
CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in
poor terminal to pin connection. Install Miller Special Tool #8815 to perform diagnosis.
1. Using a 12 volt test light connected to ground, check the PCM power supply circuits.
2. Wiggle test each circuit during the test to check for an intermittent open in the circuit.
NOTE: The test light should be illuminated and bright. Compare the brightness to that of a direct connection to the battery.
Is the test light illuminated and bright?
Yes
-
Go To
4
No
-
Repair the PCM power supply circuit(s) for an open circuit or high resistance.
-
Perform the PCM Verification Test. See: Testing and Inspection/Diagnostic Trouble Code Tests and Associated Procedures/Verification
Tests/PCM Verification Test.
4. CHECKING THE PCM FUSED IGNITION SWITCH CIRCUITS
1. Turn the ignition on.
CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in
poor terminal to pin connection. Install Miller Special Tool #8815 to perform diagnosis.
2. Using a 12 volt test light connected to ground, check the PCM Fused Ignition Switch circuits.
3. Check each circuit with the ignition off, ignition on, engine not running position, and during cranking.