Diagnostic Aids

A hard start and possible poor performance condition may exist. Measured injection timing will freeze at the point of the fault.

Fig 1: DTC 34 Schematic ("P" Series) Injection Timing Stepper (ITS) Motor Circuit Fault

Fig 2: DTC 34 Schematic ("G" Series) Injection Timing Stepper (ITS) Motor Circuit Fault

Fig 3: DTC 34 Flow Chart (All Models) Injection Timing Stepper (ITS) Motor Circuit Fault