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1990 Pontiac Bonneville, CKP Sensor Waveform
Posted to the Waveform Library on 10/3/1999

This is a pic of the crank sensor, 18x, and 3x, waves at the DIS module.

 

car Vehicle Data

1990 Pontiac Bonneville 3.8L

Engine3.8 L / 6 cyl
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad

References

TECH: Bonneville stalls, no starts, intermittently, O-scope practice
TECH: Bonneville stalls, no starts, intermittently, O-scope practice
TECH: 1995 Buick Park Ave. CKP/CMP waveforms during crank & no-start

car Vehicle Data

1990 Pontiac Bonneville 3.8L

Engine3.8 L / 6 cyl
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad

References

TECH: Bonneville stalls, no starts, intermittently, O-scope practice
TECH: Bonneville stalls, no starts, intermittently, O-scope practice
TECH: 1995 Buick Park Ave. CKP/CMP waveforms during crank & no-start