DTC C1380/64 Stop Light Control Relay Malfunction: Description
WARNING: This page is about a different car, the 2006 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.
Upon receiving the hill-start assist control (HAC) operating signal from the skid control ECU, the relay contact turns on and the stop light comes on.
DIAGNOSIS TROUBLE CODE CHART
| DTC No. |
DTC Detection Condition |
Trouble Area |
| C1380/64 |
When either of the following is detected:
- When the voltage at the IG1 terminal is between 10 to 14 V and the stop light control relay drive output (STPO) is ON, a signal has not been input to the STP terminal for 5 seconds or more.
- When the voltage at the IG1 terminal is between 10 to 14 V and the stop light control relay drive output (STPO) is OFF, the signal at the STP1 is different from the input signal at the STP2 for 5 seconds or more.
|
- Stop SW fuse
- Stop light switch
- Stop light switch circuit
- Stop light control relay
- Stop light control relay circuit
- Skid control ECU
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