DESCRIPTION
These DTCs are stored when a malfunction occurs in the CAN communication circuit.
HINT:
If CAN communication system DTCs are stored, they may also be stored for other systems.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
U0142 |
Lost Communication with Body Control Module "B" |
Lost communication with main body ECU (multiplex network body ECU) |
CAN communication system |
U0155 |
Lost Communication with Instrument Panel Cluster (IPC) Control Module |
Lost communication with combination meter assembly |
CAN communication system |
U0163 |
Lost Communication with Navigation Control Module |
Lost communication with radio and display receiver assembly |
CAN communication system |
PROCEDURE
1. |
CHECK DTC |
(a) Clear the DTCs.
Click here
(b) Recheck for DTCs and check if the same DTC is output again.
Body Electrical > Telematics > Trouble Codes
Result |
Proceed to |
---|---|
DTCs are output. |
A |
DTCs are not output. |
B |
HINT:
Click here
A | ![]() |
GO TO CAN COMMUNICATION SYSTEM |
B | ![]() |
USE SIMULATION METHOD TO CHECK |
Toyota CH-R Service Manual > Can Communication System: Open in Bus 4 Main Bus Line
DESCRIPTION
There may be an open circuit in one of the CAN main bus lines when the resistance
between terminals 22 (CA2H) and 7 (CA2L) of the central gateway ECU (network gateway
ECU) is 70 Ω or higher.
Symptom
Trouble Area
Resistance between terminals 2 ...
Toyota CH-R Service Manual > Lighting System: ACC Signal Circuit
DESCRIPTION
This circuit detects the ignition switch ACC or off condition, and sends it to
the main body ECU (multiplex network body ECU).
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing
the following procedu ...