Test E
Test E1-E3:
Pinpoint Test E: DTC B1317/B1318- Battery Voltage High/Low
CAUTION: Use the Flex Probe Kit for all test connections to prevent damage to the wiring terminals. Do not use standard multimeter probes.
Normal Operation
The vehicle electrical system supplies 12 volts to the EPB module.
Voltage is supplied by circuit 30-CG16 (RD/BU) (power hot at all times). Ground is supplied by circuit 31-CG16 (BK/BU).
Possible Causes
^ Charging system.
^ Battery.
^ Ground circuit 31-CG16 (BK/BU).
^ Power supply circuit 30-CG16 (RD/BU).