Description
BCM controls the various electrical components and simultaneously supplies power according to the power supply position.
BCM checks the power supply position internally.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1. PERFORM DTC CONFIRMATION PROCEDURE
Diagnosis Procedure
1. CHECK ACCESSORY RELAY-1 POWER SUPPLY
2. CHECK ACCESSORY RELAY-1 POWER SUPPLY CIRCUIT-1
3. CHECK ACCESSORY RELAY-1 GROUND CIRCUIT
4. CHECK ACCESSORY RELAY-1 POWER SUPPLY CIRCUIT-2
Check voltage between accessory relay-1 harness connector and ground.
5. CHECK ACCESSORY RELAY-1
6. CHECK INTERMITTENT INCIDENT
Component Inspection (Accessory Relay-1)
1. CHECK ACCESSORY RELAY-1
P0125 ECT sensor
Description
The engine coolant temperature sensor is used to detect the engine
coolant temperature. The sensor modifies a voltage signal from the
ECM. The modified signal returns to the ECM as the engine coolant
temperature input. The sensor uses a thermistor which is sensitive to
the c ...
Key cylinder switch
Description
The main power window and door lock/unlock switch detects
condition of the door key cylinder switch and
transmits to BCM as the LOCK or UNLOCK signal.
Component Function Check
1.CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Check KEY CYL UN-SW, KEY CYL UN-SW in "DATA MONITOR" mode ...
Environmental factors influence the rate of corrosion
Moisture
Accumulation of sand, dirt and water on the vehicle
body underside can accelerate corrosion.
Wet floor coverings will not dry completely inside
the vehicle and should be removed for drying to
avoid floor panel corrosion.
Relative humidity
Corrosion will be accelerated in areas of h ...