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circuit to power Ignition module/coils left hand bank ground circuit fault
Pinpoint Tests CAUTION: When probing connectors to take measurements in the course of the pinpoint tests, use the adaptor kit, part number 3548-1358-00.
NOTE:
When performing electrical voltage or resistance tests, always use a digital multimeter (DMM) accurate to 3 decimal places, and with an up-to-date calibration certificate. When testing resistance, always take the resistance of the DMM leads into account.
NOTE:
Check and rectify basic faults before beginning diagnostic routines involving pinpoint tests.
PINPOINT TEST G531328p1 : IGNITION G531328t2 : CHECK THE IGNITION COIL SUPPLY VOLTAGE CIRCUIT 1. Disconnect the relevant ignition coil electrical connector: Ignition coil connector Cylinder 1, PI02
Cylinder 2, PI06
Cylinder 3, PI03
Cylinder 4, PI07
Cylinder 5, PI04
Cylinder 6, PI08
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