Diagnosis Procedure
1. CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN
2. CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT
Check for continuity between BCM harness connector and ground.
3. CHECK BCM INPUT VOLTAGE
Special Repair Requirement
1. REQUIRED WORK WHEN REPLACING BCM
Steering wheel
WARNING
Do not adjust the steering wheel while
driving. You could lose control of your
vehicle and cause an accident.
Do not adjust the steering wheel any
closer to you than is necessary for
proper steering operation and comfort.
The driver's air bag inflates with great
force. If ...
P1720 VSS
Description
ECM receives two vehicle speed signals via the CAN communication line. One is
sent from "ABS actuator and
electric unit (control unit)" via the combination meter, and the other is from
TCM (Transmission control module).
ECM uses these signals for engine control.
DTC Logic
DTC ...
Check cooling fan relay
Description
The electrical load signal (Headlamp switch signal, rear window defogger
switch signal, etc.) is transferred via
the CAN communication line from BCM to ECM via the IPDM E/R.
Component Function Check
1.CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION
Turn ignition switch ON.
Connec ...