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POSSIBLE CAUSES GOOD TRIP EQUAL TO ZERO (F42) ASD RELAY OUTPUT CIRCUIT FUEL INJECTOR INJECTOR CONTROL CIRCUIT OPEN INJECTOR CONTROL CIRCUIT SHORTED TO GROUND PCM TEST ACTION APPLICABILITY 1 Ignition on, engine not running. t, read DTCs and record the related Freeze Frame data. Is the Good Trip Counter displayed and equal to zero? All Yes → Go To 2 No → Refer to the INTERMITTENT CONDITION symptom in the Driveability category. 2 Turn the ignition off. t, actuate the ASD Relay. Using a 12-volt test light connected to ground, backprobe the (F42) ASD Relay All Yes → Go To 3 No → Repair the open or high resistance in the (F42) ASD Relay Output circuit. 3 Turn the ignition off. t, actuate the Fuel Injector. Does the test light blink/flicker? All Yes → Replace the Fuel Injector. Perform POWERTRAIN VERIFICATION TEST VER - 5. No → Go To 4 110 DRIVEABILITY - NGC P0201-FUEL INJECTOR #1 — Continued |