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(P0204) FUEL INJECTOR #4 CIRCUIT (CONTINUED) When Monitored and Set Condition • When Monitored: With battery voltage greater than 10 volts. Engine Control Relay energized. Engine speed • Set Condition: No inductive spike is detected after injector turn off. One Trip Fault. POSSIBLE CAUSES INJECTOR CONTROL CIRCUIT OPEN FUSED ENGINE CONTROL RELAY OUTPUT CIRCUIT OPEN INJECTOR CONTROL CIRCUIT SHORT TO GROUND FUSED ENGINE CONTROL RELAY OUTPUT CIRCUIT SHORT TO INJECTOR CONTROL CIRCUIT FUEL INJECTOR POWERTRAIN CONTROL MODULE For a complete Powertrain Control Module Circuit Diagram, (Refer to 9 - ENGINE - SCHEMATICS AND DIA- Diagnostic Test 1. CHECK FOR CURRENT DTC Turn the ignition on. With the DRB III T , read PCM DTCs. Is this DTC present? Yes >> For complete diagnosis of this DTC, refer to (P0201) FUEL INJECTOR #1 CIRCUIT No >> Go To 2 2. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Note: Check connectors — Clean/repair as necessary. Poor pin to terminal connections can set DTCs. Using Note: Check for any Technical Service Bulletins that may apply. Were there any problems found? Yes >> Repair as necessary. Perform POWERTRAIN VERIFICATION TEST - VER 2. No >> The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for a possible intermittent condition. ZH ENGINE - ELECTRICAL DIAGNOSTICS 9 - 289 |