Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS FOR OPEN CIRCUIT

3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ABS actuator and electric unit (control unit). Refer to BRC-83, "Wiring Diagram".
A-bag branch line circuit
TCM branch line circuitHeater and Air Conditioner (automatic)
Front defroster button
Temperature control dial (driver's side)/
AUTO button
Display screen
Temperature control dial (passenger's
side)/DUAL button
Fresh air intake button
Air recirculation button
(air conditioner) button
(manual air flow control)
button
(fan speed cont ...
Signal buffer system
System Diagram
System Description
OUTLINE
BCM has the signal transmission function that outputs/transmits each
input/received signal to each unit.
Signal transmission function list
Signal name
Input
Output
Description
Ignition switch ON si ...
B2617 starter relay circuit
Description
Located in IPDM E/R, it runs the starter motor. The
starter relay is turned ON by the BCM when the ignition
switch is in START position. IPDM E/R transmits the starter relay ON signal to
BCM via CAN communication.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC B2617 is displ ...