Checking the High Level Stop (Brake) Lamps

Checking the high level stop (brake) lamps

Checking the wiring and the relay
If the stop (brake) lamp does not light, check the cable between rear electronic module terminal #4D and high level stop (brake) lamps terminal #1. Check for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault. Check for a short-circuit to ground according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Check the cable between high level stop (brake) lamps terminal #5 and ground. Check for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault. Check for a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
If the high level stop (brake) lamps are constantly lit, check the cable between rear electronic module terminal #4D and high level stop (brake) lamps terminal #1 for a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.

Other information:
- For information about signals, see Signal specification Pinout Values and Diagnostic Parameters.





Is the function OK?

Yes - Fault Found

No - No Fault Found

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