DESCRIPTION
These DTCs are stored when a malfunction occurs in the CAN communication circuit.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
U0073 |
Sending Malfunction (Navigation to APGS) |
CAN bus connection error |
CAN communication system |
U0100 |
Engine ECU Communication |
CAN reception error |
CAN communication system |
U0129 |
VSC(ECB)ECU Communication |
CAN reception error |
CAN communication system |
U0140 |
Lost Communication with Body Control Module |
CAN reception error |
CAN communication system |
U0155 |
Meter ECU Communication |
CAN reception error |
CAN communication system |
U0164 |
Air Conditioner ECU Communication |
CAN reception error |
CAN communication system |
U0198 |
Lost Communication with Telematic Control Module |
CAN reception error |
CAN communication system |
PROCEDURE
1. |
CHECK DTC |
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs(b) Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble CodesOK:
No DTCs are output.
OK |
USE SIMULATION METHOD TO CHECK |
NG |
GO TO CAN COMMUNICATION SYSTEM |
Toyota CH-R Service Manual > Window Defogger System: System Diagram
SYSTEM DIAGRAM
Communication Table
Transmitter
Receiver
Signal
Communication Method
Air Conditioning Control Assembly
Air Conditioning Amplifier Assembly
Rear window defogger switch signal
LIN
...
Toyota CH-R Service Manual > Vehicle Stability Control System: Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
CHECK FOR INTERMITTENT PROBLEMS
HINT:
A momentary interruption (open circuit) in the connectors and/or wire harness
between the sensors and ECUs can be detected using the Data List function of the
Techstream.
(a) Turn the ignition switch off.
(b) Connect the ...