Diagnosis system (BCM)
U1000 Can comm circuitB261A push-button ignition switch
Description
IPDM E/R transmits the push-button ignition switch status via CAN
communication to BCM. BCM receives
push-button ignition switch status by hardwire input. BCM compares the 2 signals
for mismatch.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC B261A is displayed with DTC U1000, ...
Service data and specifications (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Compressor
Oil
Refrigerant
...
Power supply and ground circuit
BCM
BCM : Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS-67,
"Wiring Diagram".
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are
blown.
2. CHECK POWER SUPPLY CIRCUIT
Turn ignition switch OFF.
Disconnect B ...