Battery Sensing Circuit-Code 16
- Turn ignition off. Disconnect Black EFI connector from logic module (Blue on turbo). Connect voltmeter to cavity No. 22 of logic module connector and ground. See Figure. Voltage should be within one volt of battery voltage.
- If voltage is okay, check terminal No. 22 for damage. If okay, replace logic module. If no voltage, repair terminal No. 22 wire.