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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Canada

CPS Test:




CRANKSHAFT POSITION SENSOR TEST
1. Remove distributor from engine. (Crankshaft position sensor harness connector should remain connected.)
2. Disconnect ignition wires.
3. Turn ignition switch "ON".

CPS Test Results Chart:




4. Rotate distributor shaft slowly by hand and check voltage between terminals (a), (d) and ground. Results should be as shown in image.
5. If N.G., replace distributor assembly with crankshaft position sensor.

Visual Check Of Signal Plate:




6. Visually check signal plate for damage or dust.