Diagnostic Aids

An intermittent may be caused by a poor connection, rubbing through the wire insulation, or a wire broken inside the insulation. If Hall Effect signal is not received by ECM for 3 seconds, check for poor connections or damaged harness. For intermittent inspection, see INTERMITTENTS in H - EFI TESTS W/O CODES article in the ENGINE PERFORMANCE Section.

Fig 1: Code 41 Circuit Diagram-Cam Angle Circuit (Turbo)

Courtesy of ISUZU MOTOR CO.

Fig 2: Code 41 Flow Chart-Cam Angle Circuit (Turbo)

Courtesy of ISUZU MOTOR CO.