DTC Logic
DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE
1. DTC CONFIRMATION
Diagnosis Procedure
1. CHECK BATTERY VOLTAGE
Check battery voltage
2. CHECK POWER SUPPLY CIRCUIT AND GROUND CIRCUIT
Check BCM power supply circuit and ground circuit.
Special Repair Requirement
1. REQUIRED WORK WHEN REPLACING BCM
Initialize control unit.
U0415 Vehicle speed sig
Power supply and ground circuitAudio system
System Diagram
System Description
AUDIO SYSTEM
The audio system consists of the following components
AV control unit
Display unit
BOSE speaker amp.
Window antenna
Steering wheel audio control switches
A/C and AV switch assembly
Front door speakers
Tweeters
Center speaker
...
C1143, C1144 steering angle sensor
Description
The steering angle sensor detects the rotation amount, angular velocity and
direction of the steering wheel,
and transmits the data to the ABS actuator and electric unit (control unit) via
CAN communication.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK ...
IPDM-E branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the IPDM E/R for damage,
bend and loose connection (unit side
and connector side).
2.CHECK HARNESS FOR OPEN CIRCUIT
...