Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Component Tests and General Diagnostics


System Inspection
1. Remove the camshaft position sensor.




2. Disconnect the camshaft position sensor connector.
3. Remove the ECM.




4. Connect the SSTs to the ECM.
5. Turn the ignition switch to ON.
6. Measure the ECM terminal 4F voltage by using a voltmeter.




7. Rotate the camshaft position sensor shaft by hand and check the output signal.

Specification




8. If not as specified, inspect harness and connector between camshaft position sensor and ECM terminal.
9. If harness and connector are OK, replace the camshaft position sensor.