DESCRIPTION
WIRING DIAGRAM
PROCEDURE
1. |
PERFORM ACTIVE TEST USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body / Combination Meter / Active Test.
(e) Check the CRUISE main indicator light by performing the Active Test.
Combination Meter
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
---|---|---|---|
Indicat. Lamp Cruise |
CRUISE main indicator light |
OFF or ON |
Confirm that the vehicle is stopped with the engine idling |
OK:
The CRUISE main indicator light blinks or goes off according to Techstream operation.
NG | ![]() |
REPLACE COMBINATION METER ASSEMBLY |
|
2. |
READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Cruise Control / Data List.
(e) Check the Data List for proper functioning of the CRUISE main indicator light.
Cruise Control (ECM)
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
CCS Indicator M-CPU |
CRUISE main indicator signal (Main CPU) / ON or OFF |
ON: CRUISE main indicator light on OFF: CRUISE main indicator light off |
- |
OK:
The display changes as shown above according to cruise control main switch operation.
Result |
Proceed to |
---|---|
OK |
A |
NG (for 1AR-FE) |
B |
NG (for 2GR-FE) |
C |
A | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
B | ![]() |
REPLACE ECM |
C | ![]() |
REPLACE ECM |
System Diagram
SYSTEM DIAGRAM
Transmitting ECU
(Transmitter)
Receiving ECU
Signal
Communication Method
Center Airbag Sensor Assembly
ECM
Crash detection signal
CAN
...
Lost Communication with ECM / PCM "A" (U0100,U0129)
DESCRIPTION
The power steering ECU receives signals from the ECM and the brake actuator assembly
(skid control ECU) via the CAN communication system.
DTC No.
DTC Detection Condition
Trouble Area
U0100
...
Personal/interior lights
► Front
On/off
The illuminated entry system is activated even if the light is turned off when
the personal/interior light main switch is in door position.
► Rear
On/off
The illuminated entry system is activated even if the light is turne ...