Lexus ES: Back Camera Response Malfunction (C2A6A)
DESCRIPTION
During self diagnosis of the parking assist ECU, the parking assist ECU sends display mode ID signals to the rear television camera assembly. This DTC is stored when the output of the rear television camera assembly does not match the expected output.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C2A6A | Back Camera Response Malfunction | Abnormal response from the rear television camera assembly |
|
CAUTION / NOTICE / HINT
NOTICE:
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When "!" is displayed on the multi-display assembly after the cable is disconnected from the negative (-) battery terminal, correct the steering angle neutral point.
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Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the panoramic view monitor system may be needed.
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PROCEDURE
| 1. | CHECK FOR DTC |
(a) Clear the DTCs.
Chassis > Circumference Monitoring Camera Control Module > Clear DTCs(b) Check for DTCs.
Chassis > Circumference Monitoring Camera Control Module > Trouble CodesOK:
DTC C2A6A is not output.
| OK |  | USE SIMULATION METHOD TO CHECK |
|
| 2. | REPLACE REAR TELEVISION CAMERA ASSEMBLY |
(a) Replace the rear television camera assembly with a new or normally functioning one.
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|
| 3. | CHECK FOR DTC |
(a) Clear the DTCs.
Chassis > Circumference Monitoring Camera Control Module > Clear DTCs(b) Check for DTCs.
Chassis > Circumference Monitoring Camera Control Module > Trouble CodesOK:
DTC C2A6A is not output.
| OK | | END (REAR TELEVISION CAMERA ASSEMBLY IS DEFECTIVE) |
| NG | | REPLACE PARKING ASSIST ECU |
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SEE MORE:
Terminals Of Ecu
TERMINALS OF ECU NOTICE:
DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the Techstream once the inspection has been completed.
Do not apply excessive force to the forward recognition camera connector.
CHECK FORWARD RECOGNITI
Relay
On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT IGCT RELAY (IGCT) (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 3 - 5 Auxiliary battery voltage not applied between termin
