L

Pinpoint Test L: DTC C1730 - Reference Voltage Out Of Range (+5 V)

Test L1:

Test L2-L4:

Test L5-L7:

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 5 volt reference voltage is supplied by the Anti-Lock Brake Module (ABS)Reference voltage is supplied by circuit 3601 (WH/RD). The reference voltage circuit returns to the ABS module through the BPP switch circuit 1904 (GY/BK) and the brake pressure transducer circuit 3603 (RD).

Possible Causes
^ Circuit 3601 (WH/RD).
^ Ground circuit 1904 (GY/BK).
^ Ground circuit 3603 (RD).
^ ABS module.
^ IVD input/output components:
- BPP switch
- Brake pressure transducer