PINPOINT TEST G531332p20

Pinpoint Tests

PINPOINT TEST G531332p20 : BATTERY POWER SUPPLY VOLTAGE MALFUNCTION

G531332t79 : CHECK THE BATTERY POWER SUPPLY TO THE ECM
1. Disconnect the ECM electrical connector, PI300.
2. Measure the voltage between:

ECM connector PI300, Battery
harness side
Pin 54 Negative terminal

- Is the voltage greater than 10 volts?

->YES
Recheck the DTCs.

->NO
REPAIR the battery power supply circuit. This circuit includes fuse 17 of the front power distribution. CLEAR the DTC. TEST the system for normal operation.