Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).
Models without automatic drive positioner
ECM
Harness connector E30
Harness connector M1
Models with automatic drive positioner
ECM
Harness connector E29
Harness connector B10
2.CHECK HARNESS FOR OPEN CIRCUIT
Disconnect the connector of ECM.
Check the resistance between the ECM harness connector terminals.

3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ECM. Refer to EC-157, "Diagnosis Procedure".
Is the inspection result normal?
Main line between A-bag and ABS circuit
ADP branch line circuitInterior room lamp control system
System Diagram
System Description
OUTLINE
Interior room lamps* are controlled by interior room lamp timer
control function of BCM.
*:Front room/map lamp assembly, foot lamps and
rear personal lamps (when front room/map lamp assembly switch is in DOOR
position).
Trunk room lamp is ...
Interior room lamp
Removal and Installation
FRONT ROOM/MAP LAMP ASSEMBLY
Removal
Release the metal clips and drop front edge of front room/map
lamp assembly (1) away from headlining. Slide front room/map lamp
assembly forward in vehicle to clear pawls at rear.
: Front :
Pawl : Metal clip
Disco ...
U1001 can comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped onto a vehicle, and each ...