| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM100000001G4E2 |
| Model Year Start: 2020 | Model: Corolla | Prod Date Range: [01/2019 - 09/2022] |
| Title: PRE-COLLISION: PRE-COLLISION SYSTEM (for HV Model): C142571; Stop Light Relay Actuator Stuck; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022] | ||
|
DTC |
C142571 |
Stop Light Relay Actuator Stuck |
DESCRIPTION
The skid control ECU (brake booster with master cylinder assembly) sends a stop light operation request signal to the stop light relay (stop light switch assembly). If the skid control ECU (brake booster with master cylinder assembly) detects a malfunction in the stop light relay (stop light switch assembly) circuit, the forward recognition camera stores this DTC.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C142571 |
Stop Light Relay Actuator Stuck |
3 seconds or more after the power switch is turned on (IG), the forward recognition camera receives a stop light relay circuit malfunction signal from the skid control ECU (brake booster with master cylinder assembly) for approximately 1 second or more. |
Electronically controlled brake system |
PROCEDURE
|
1. |
GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM |
HINT:
If DTC C142571 is output by the pre-collision system, perform troubleshooting for the electronically controlled brake system.
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![2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
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