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 IGNITION RELAY-2 POWER SUPPLY
2. CHECK IGNITION RELAY-2 POWER SUPPLY CIRCUIT-1
3. CHECK IGNITION RELAY-2 GROUND CIRCUIT
4. CHECK IGNITION RELAY-2 POWER SUPPLY CIRCUIT-2
Check voltage between ignition relay-2 harness connector and ground
5. CHECK IGNITION RELAY-2
6. CHECK INTERMITTENT INCIDENT
Component Inspection (Ignition Relay-2)
1. CHECK IGNITION RELAY-2
P1805 brake switch
Description
Brake switch signal is applied to the ECM via the stop lamp switch when the
brake pedal is depressed. This
signal is used mainly to decrease the engine speed when the vehicle is being
driver.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATI ...
Precaution
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dua ...
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 ...