DESCRIPTION
The ECM communicates with each sensor and ECU via CAN communication.
If any malfunction is detected in a CAN communication circuit, one or more CAN communication system DTCs are stored.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | Note |
---|---|---|---|---|---|---|
U010487 | Lost Communication with Cruise Control Module Missing Message | When the engine switch is on (IG) and the dynamic radar cruise control system is operating, a communication error between the driving support ECU assembly and ECM is detected for 1 second or more. |
| Does not come on | DTC stored | SAE Code: U0104 |
CONFIRMATION DRIVING PATTERN
HINT:
Techstream Display | Description |
---|---|
NORMAL |
|
ABNORMAL |
|
INCOMPLETE |
|
HINT:
CAUTION / NOTICE / HINT
HINT:
Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.
PROCEDURE
1. | CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC U010487) |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: System Select / Health Check.
(e) Read the DTCs.
Result | Proceed to |
---|---|
DTC U010487 is output | A |
DTC U010487 and other DTCs are output | B |
HINT:
If any DTCs other than U010487 are output, troubleshoot those DTCs first.
A | ![]() | GO TO CAN COMMUNICATION SYSTEM |
B | ![]() | GO TO DTC CHART |
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