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CMPS visual check

(1)

Key "OFF".

(2)

Check damage and assembling state of CMPS.

(3)

Check the projection of cam-shaft visually after remove the CMPS.

(4)

Is everything O.K ?

YES

Go to "CMPS check" procedure.

Repair as necessary and then, go to "Verification of Vehicle Repair" procedure.

CMPS check

(1)

Key "ON". (Don’t disconnect sensors.)

(2)

Select "vehicle scopemeter" in the menu, and connect channel A of scantool with terminal 2 of CMPS harness connector.

(3)

Engine start. And check the signal waveforms.

Specification :

(4)

Is the signal waveform within specifications?

YES

Substitute with a known-good ECM and check for proper operation. If the problem is corrected, replace ECM and then go to "Verification of Vehicle Repair" procedure.

Substitute with a known-good CMPS and check for proper operation. If the problem is corrected,replace CMPS and then go to "Verification of Vehicle Repair" procedure.