DTC Confirmation Test

Malfunction is detected when either one-degree signal or 180-degree signal is not sent to ECM during engine cranking. Possible causes are:

• Camshaft Position (CMP) sensor circuit open or shorted.
• Defective CMP sensor.
• Defective starter.
• Faulty starting system circuit.
• Weak battery.

To set DTC, turn ignition on. Using scan tool, select DATA MONITOR. Crank engine for at least 2 seconds and run engine at idle for at least 5 seconds. If first trip DTC is detected, perform DIAGNOSTIC PROCEDURE . If first trip DTC is not detected, maintain engine speed at more than 800 RPM for at least 5 seconds. Ifirst trip DTC is detected, perform DIAGNOSTIC PROCEDURE