Diagnosis system (bluetooth control unit)
Power supply and ground circuitPower supply and ground circuit
BCM
BCM : Diagnosis Procedure
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 BCM.
Check voltage between BCM harness connector and ground.
3. CHECK GROUND CIRCUIT
Che ...
P1612 chain of ECM-IMMU
Description
BCM performs the ID verification with ECM that allows the
engine to start. Start the engine if the ID is OK.
ECM prevents the engine from starting if the ID is not registered. BCM starts
the communication with ECM if
ignition switch is turned ON.
DTC Logic
DTC DETECTION LOGIC ...
S connector circuit
Description
The starter motor magnetic switch is supplied with power when the ignition
switch is turned to the START position while the selector lever is in the P
or N position.
Diagnosis Procedure
CAUTION: Perform diagnosis under the condition that
engine cannot start by the fo ...