DESCRIPTION
These DTCs are stored if a CAN communication malfunction occurs between the No. 1 headlight ECU sub-assembly LH and other ECUs.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
---|---|---|---|---|
U0073 | Control Module Communication Bus Off | The No. 1 headlight ECU sub-assembly LH does not send/receive data. | CAN communication system | No. 1 headlight ECU sub-assembly LH |
U0100 | Lost Communication With ECM/PCM "A" | The No. 1 headlight ECU sub-assembly LH does not receive data from the ECM for approximately 10 seconds or more. |
| No. 1 headlight ECU sub-assembly LH |
U0101 | Lost Communication with TCM | The No. 1 headlight ECU sub-assembly LH does not receive data from the ECM for approximately 10 seconds or more. |
| No. 1 headlight ECU sub-assembly LH |
U0126 | Lost Communication with Steering Angle Sensor Module | The No. 1 headlight ECU sub-assembly LH does not receive data from the steering sensor for approximately 5 seconds or more. |
| No. 1 headlight ECU sub-assembly LH |
U0129 | Lost Communication with Brake System Control Module | The No. 1 headlight ECU sub-assembly LH does not receive data from the skid control ECU (brake actuator assembly) for approximately 5 seconds or more. |
| No. 1 headlight ECU sub-assembly LH |
U0142 | Lost Communication with Body Control Module "B" | The No. 1 headlight ECU sub-assembly LH does not receive data from the main body ECU (multiplex network body ECU) for approximately 10 seconds or more. |
| No. 1 headlight ECU sub-assembly LH |
U0155 | Lost Communication with Instrument Panel Cluster (IPC) Control Module | The No. 1 headlight ECU sub-assembly LH does not receive data from the combination meter assembly for approximately 30 seconds or more. |
| No. 1 headlight ECU sub-assembly LH |
PROCEDURE
1. | CONFIRM MODEL |
(a) Choose the model to be inspected.
Result | Proceed to |
---|---|
for Multiple Beam Headlight | A |
for Single Beam Headlight | B |
B | ![]() | GO TO STEP 4 |
|
2. | CLEAR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / AFS / Trouble Codes.
(e) Clear the DTCs.
Body Electrical > AFS > Clear DTCs
|
3. | CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Wait 35 seconds or more.
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / AFS / Trouble Codes.
(f) Check for DTCs.
Body Electrical > AFS > Trouble CodesOK:
DTCs are not output.
OK | ![]() | USE SIMULATION METHOD TO CHECK |
NG | ![]() | GO TO CAN COMMUNICATION SYSTEM |
4. | CLEAR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.
(e) Clear the DTCs.
Body Electrical > HL AutoLeveling > Clear DTCs
|
5. | CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Wait 35 seconds or more.
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.
(f) Check for DTCs.
Body Electrical > HL AutoLeveling > Trouble CodesOK:
DTCs are not output.
OK | ![]() | USE SIMULATION METHOD TO CHECK |
NG | ![]() | GO TO CAN COMMUNICATION SYSTEM |
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