DESCRIPTION
The air conditioning amplifier communicates with the ECM, main body ECU (multiplex network body ECU) and combination meter through the CAN communication system.
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
U0100 |
Lost communication with the ECM. |
|
U0142 |
Lost communication with the main body ECU. |
|
U0155 |
Lost communication with the combination meter. |
|
PROCEDURE
1. |
CHECK FOR DTC (CAN COMMUNICATION SYSTEM) |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Result
Result |
Proceed to |
---|---|
CAN DTC is not output |
A |
CAN DTC is output |
B |
A | ![]() |
USE SIMULATION METHOD TO CHECK |
B | ![]() |
GO TO CAN COMMUNICATION SYSTEM |
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE FRONT AXLE WITH ABS ROTOR BEARING ASSEMBLY LH
(a) Gently fix the front axle hub in a vise between aluminum plates.
(b) Using SST, remove the bearing.
SST: 09710-300 ...
TC and CG Terminal Circuit
DESCRIPTION
DTC output mode is set by connecting terminals 13 (TC) and 4 (CG) of the DLC3.
The DTCs are output by the blinking of the tire pressure warning light.
WIRING DIAGRAM
HINT:
When each warning light blinks continuously, a ground short in the w ...