* The ignition is ON.
* DTC P0351-P0358 runs continuously when the above condition is met.
Conditions for Setting the DTC
The ECM detects one of the following failures on the IC circuit:
* An open
* A short to ground
* A short to voltage
Action Taken When the DTC Sets
DTCs P0351-P0358 are Type B DTCs.
Conditions for Clearing the DTC
DTCs P0351-P0358 are Type B DTCs.
Diagnostic Aids
* This test procedure requires that the vehicle battery has passed a load test and is completely charged. Refer to Battery Inspection/Test (See:
Starting and Charging/Testing and Inspection/Component Tests and General Diagnostics/Battery Inspection/Test).
* A high resistance condition on any IC circuit can cause an engine misfire without setting DTC P0351-P0358.
Reference Information
Schematic Reference
Engine Controls Schematics (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views)
Description and Operation
Electronic Ignition System Description (See: Powertrain Management/Computers and Control Systems/Description and Operation/Electronic
Ignition System Description)
Electrical Information Reference
* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit
Testing/Circuit Testing)
* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic
Procedures/Connector Repairs/Connector Repairs)
* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General
Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)
* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring
Repairs/Wiring Repairs)
Scan Tool Reference
Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information
Circuit/System Verification
1. With the engine running, monitor the following ignition control (IC) circuit status parameters with a scan tool:
* Cylinder 1-8 IC Ckt. Short Gnd Test Status
* Cylinder 1-8 IC Ckt. Open Test Status
* Cylinder 1-8 IC Ckt. Short to Volts Test Status
锟斤拷Each parameter should display OK.
2. With the engine running, observe the Misfire Current counters with a scan tool.
锟斤拷The counters should not be incrementing.
3. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed
from the Freeze Frame/Failure Records data.
Circuit/System Testing
