C1090

C1090-ABS BRAKE LAMP CONTROL CIRCUIT LOW

For a complete wiring diagram Refer to Diagram/Electrical. Electrical Diagrams


- When Monitored:

With the ignition on, battery voltage between 9 and 16 volts, and engine run time greater than 3 seconds.

- Set Condition:

The PCM received Brake Switch Invalid or in Error for 4 seconds.







Diagnostic Test


1. ACTIVE DTC

Turn the ignition on.

With a scan tool, select View DTCs.

Is the status Active for this DTC?

Yes

- Refer to 9- ENGINE ELECTRICAL DIAGNOSTICS for diagnostic procedures and for further possible causes.

No

- Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure.(Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
- Perform the PCM Verification Test.