Camshaft Position Sensor: Service and Repair

Cam Position Sensor:

The cam position sensor is a Hall effect switch located in the distributor. It provides one pulse per rotation of the distributor. The Powertrain Control Module (PCM) uses the cam sensor signal to know the location of the camshaft for proper fuel distribution. PCM code P041 will set if the computer receives reference pulses and does not detect a cam sensor pulse.

Distributor Disassembly, Test And Reassembly - Part 1 Of 3:

Distributor Disassembly, Test And Reassembly - Part 2 Of 3:

Distributor Disassembly, Test And Reassembly - Part 3 Of 3:

REMOVE OR DISCONNECT
1. Ignition switch battery feed wire from distributor cap.
2. Ignition coil connectors from distributor cap.
3. Four (4) retainers on distributor cap and move cap out of way.
4. Six terminal PCM harness from distributor.
5. Distributor clamp nut and hold down clamp. Using J 29791 or equivalent.
6. Note position of rotor, then pull distributor up until rotor just stops turning counter clockwise and again note position of rotor.
7. Remove distributor.

INSTALL OR CONNECT
1. Distributor with rotor in same position as noted in removal step 6.
2. Hold down clamp and distributor clamp nut lightly snug.
3. Six terminal PCM harness.
4. Distributor cap.
5. Four (4) retaining bolts.
6. Ignition coil connector to cap.
7. Ignition switch battery feed wire.
8. Adjust ignition timing.
9. Tighten distributor hold-down nut using J 29791 or equivalent to 25 Nm (20 lb. ft.).