TEST
ACTION
APPLICABILITY
7
Turn the ignition on.
With the DRBIII
t in Sensors, select the RPM parameter.
While cranking the engine monitor the RPM parameter.
Does the DRBIII
t display a RPM reading greater than zero?
All
Yes
→ Go To 8
No
→ Go To 9
8
The following items need to be checked as a possible cause for a no start condition.
Refer to any Technical Service Bulletins that may apply to the symptom.
The spark plugs must be free from fuel, oil, coolant and/or any foreign material or
deposits.
The fuel must be free from contamination.
The exhaust may be free from restrictions.
The engine compression must be within specifications.
The engine valve timing must be within specifications.
The engine must be free from vacuum leaks.
Were any of the above conditions found?
All
Yes
→ Repair as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 1 - NGC.
No
→ Test Complete.
9
Turn the ignition off.
Disconnect the CKP Sensor harness connector.
Turn the ignition on.
Measure the voltage of the 5 Volt Supply circuit in the CKP Sensor harness connector.
Is the voltage between 4.8 and 5.2 volts?
All
Yes
→ Go To 10
No
→ Repair the 5 Volt Supply circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 1 - NGC.
10
Turn the ignition off.
Disconnect the CKP Sensor harness connector.
Turn the ignition on.
Measure the voltage of the CKP Sensor Signal circuit in the CKP Sensor harness
connector.
Is the voltage between 4.5 and 5.0 volts?
All
Yes
→ Go To 11
No
→ Go To 13
11
Turn the ignition off.
Disconnect the CKP Sensor harness connector.
Measure the resistance between ground and the Sensor Ground circuit at the CKP
Sensor harness connector.
Is the resistance below 100 ohms?
All
Yes
→ Go To 12
No
→ Repair the open Sensor Ground circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 1 - NGC.
546
STARTING
*ENGINE CRANKS DOES NOT START - 1.6L —
Continued