P1361

Diagnostic Chart (Part 1 Of 3):

Diagnostic Chart (Part 2 Of 3):

Diagnostic Chart (Part 3 Of 3):

Engine Controls Schematics: Front and Rear Ignition Control Module:

CIRCUIT DESCRIPTION
The ignition system on this engine uses an individual ignition coil for each cylinder. An ignition coil assembly consisting of three coils and an Ignition Control Module (ICM), is located in the center of each cam cover. This arrangement allows the ignition coil to connect directly to the spark plug using only a boot. This eliminates the need for secondary ignition wires. There are separate ignition modules for bank 1 and for bank 2. Each module controls the three ignition coils for that bank of cylinders. The Powertrain Control Module (PCM) controls ignition module operation. There are six Ignition Control (IC) circuits, one per cylinder, that connect the PCM and the ignition modules. The ignition modules also have a power feed, a chassis ground circuit, and a reference low circuit each. The PCM causes spark to occur by pulsing the IC circuit, which signals the ignition module to trigger the ignition coil and fire the spark plug. Sequencing and timing are PCM controlled.

CONDITIONS FOR RUNNING THE DTC
^ The ignition voltage is between 9.0-17.0 volts.
^ The conditions are met for less than 1.0 second.

CONDITIONS FOR SETTING THE DTC
The PCM detects an incorrect voltage potential on the ignition control circuit.

ACTION TAKEN WHEN THE DTC SETS
^ The PCM illuminates the Malfunction Indicator Lamp (MIL) on the second consecutive ignition cycle that the diagnostic runs and fails.
^ The PCM records the operating conditions at the time the diagnostic fails. The first time the diagnostic fails, the PCM stores this information in the Failure Records. If the diagnostic reports a failure on the second consecutive ignition cycle, the PCM records the operating conditions at the time of the failure. The PCM writes the conditions to the Freeze Frame and updates the Failure Records.

CONDITIONS FOR CLEARING THE MIL/DTC
^ The PCM turns the MIL OFF after three consecutive drive trips during which the diagnostic runs and passes.
^ A last test failed, or the current DTC, clears when the diagnostic runs and passes.
^ A History DTC clears after forty consecutive warm-up cycles, if no other emission related diagnostic failures are reported.
^ Use a scan tool in order to clear the MIL diagnostic trouble code.
^ Interrupting the PCM battery voltage may or may not clear DTCs. This practice is not recommended. Refer to Powertrain Control Module (PCM) Description, Clearing Diagnostic Trouble Codes.

DIAGNOSTIC AIDS

NOTE: Refer to Connector Test Adapter Kit J 35616-A Notice in Service Precautions.

If the problem is intermittent, refer to Intermittent Conditions. Intermittent Conditions

TEST DESCRIPTION
The numbers below refer to the step numbers on the diagnostic table.
2. With no fault detected, the scan tool will display OK continuously. If a fault is detected, the display may fluctuate between OK and Fault, or display Fault continuously. If Fault is displayed, even momentarily, this should be considered fault present.
4. Refer to the system mechanization for the fuses which supply these circuits.