DTC C1380: Stop Light Control Relay Malfunction [08/2015 - 08/2019]: Description
Upon receiving the hill-start assist control operating signal from the master cylinder solenoid (skid control ECU), the Stop light control relay (Stop light switch assembly) contact turns on and the stop lights come on.
| DTC No. |
DTC Detection Condition |
Trouble Area |
| C1380 |
- When the voltage at the IG1 terminal is 9.5 V or more and the stop light control relay drive output (STPO) is ON, a signal is not input to the STP2 terminal for 5 seconds or more.
- When the voltage at the IG1 terminal is 9.5 V or more and the stop light control relay drive output (STPO) is OFF, the signal at the STP terminal is different from the input signal at the STP2 for 5 seconds or more.
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- Stop light control relay (Stop light switch assembly)
- Stop light control relay (Stop light switch assembly) circuit
- Master cylinder solenoid (Skid control ECU)
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