DESCRIPTION
These DTCs are stored when there is a CAN communication malfunction between the certification ECU (smart key ECU assembly), ECM, main body ECU (multiplex network body ECU) or combination meter assembly, and data from the option connector (bus buffer ECU) cannot be received.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
---|---|---|---|---|
U0100 |
Lost Communication with ECM / PCM |
CAN communication malfunction between certification ECU (smart key ECU assembly) and ECM (1-trip detection logic*) |
ECM |
|
U0140 |
Lost Communication with Main Body ECU |
CAN communication malfunction between certification ECU (smart key ECU assembly) and main body ECU (multiplex network body ECU) (1-trip detection logic*) |
Main body ECU (multiplex network body ECU) |
|
U0142 |
Lost Communication with Main Body ECU |
CAN communication malfunction between certification ECU (smart key ECU assembly) and main body ECU (multiplex network body ECU) (1-trip detection logic*) |
Main body ECU (multiplex network body ECU) |
|
U0155 |
Lost Communication with Combination Meter |
CAN communication malfunction between certification ECU (smart key ECU assembly) and combination meter assembly (1-trip detection logic*) |
Combination meter assembly |
|
U1117 |
Lost Communication with Accessory Gateway |
Data from the option connector (bus buffer ECU) cannot be received |
|
|
DTC Code |
Vehicle Condition when Malfunction Detected |
Fail-safe Function when Malfunction Detected |
---|---|---|
U0100 |
There is no effect on vehicle behavior. |
If the following conditions are met, it can be determined that the malfunction is not in the direct line (NE) but in the CAN communication system.
If the following conditions are met, it can be determined that there is a malfunction in both the CAN communication system and the direct line (NE).
|
U0140 U0142 |
|
- |
U0155 |
The warning (meter buzzer) does not sound and no warning messages displayed on the multi-information display. |
- |
U1117 |
The engine cannot be started using the wireless remote control function. |
- |
DTC No. |
Data List and Active Test |
---|---|
U0100 U0140 U0142 U0155 U1117 |
- |
CAUTION / NOTICE / HINT
NOTICE:
HINT:
When the cable is disconnected and reconnected to the negative (-) battery terminal, the power source mode returns to the state it was in before the cable was disconnected.
PROCEDURE
1. |
CHECK FOR DTC |
(a) Check for DTCs and note any DTCs that are output.
Click here
NEXT | ![]() |
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING)
|
Toyota CH-R Service Manual > Immobiliser System(w/o Smart Key System): Data List / Active Test
DATA LIST / ACTIVE TEST
DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals may ...
Toyota CH-R Service Manual > Brake Actuator: Installation
INSTALLATION
CAUTION / NOTICE / HINT
PROCEDURE
1. INSTALL BRAKE ACTUATOR BRACKET CUSHION
(a) Install the brake actuator bracket cushion to the brake actuator bracket
assembly.
2. INSTALL NO. 1 BRAKE ACTUATOR CASE COLLAR
(a) Install the No. 1 brake actuator case collar to the brake actuator b ...