Camshaft Position Sensor: Testing and Inspection

DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE
Before performing the following procedure, confirm that battery voltage is more than 10.5 V.

WITH CONSULT
1) Turn ignition switch "ON" and select "DATA MONITOR" mode with CONSULT.
2) Crank engine for at least 2 seconds.

OR

WITH GST
1) Crank engine for at least 2 seconds.
2) Select "MODE 3" with GST.

OR

WITH NO TOOLS
1) Crank engine for at least 2 seconds.
2) Turn ignition switch "OFF", wait at least 5 seconds and then turn "ON".
3) Perform "Diagnostic Test Mode II" (Self-diagnostic results) with ECM.




WIRING DIAGRAM







DIAGNOSTIC PROCEDURE

COMPONENT INSPECTION
Camshaft position sensor
1. Start engine




2. Check voltage between terminals (3), (4) and ground with AC range.




If NG, replace distributor assembly with camshaft position sensor.




3. Remove distributor cap. Visually check signal plate for damage or dust.
After this inspection, diagnostic trouble code No. P0340 might be displayed with camshaft position sensor functioning properly. Erase the stored memory.