Lexus ES: Engine Circuit Malfunction (C1280)
Lexus ES (XZ10) Service Manual / Drivetrain / Gf1a (transfer / 4wd / Awd) / Dynamic Torque Control Awd System / Engine Circuit Malfunction (C1280)
DESCRIPTION
If a malfunction in the ECM circuit occurs, the 4WD ECU assembly will output this DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1280 | Engine Circuit Malfunction | When the following continues for 5 seconds or more:
|
|
PROCEDURE
| 1. | CHECK FOR DTC (ENGINE CONTROL SYSTEM) |
(a) Check if the engine control system DTC is output.
Powertrain > Engine > Trouble Codes| Result | Proceed to |
|---|---|
| Engine control system DTC is not output | A |
| Engine control system DTC is output | B |
| A | .gif) | REPLACE 4WD ECU ASSEMBLY |
.gif)
| B | | GO TO ENGINE CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) |
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