Checking the Component
Checking The Component
Check that there is voltage via the fuse for the stop lamp switch.
Check the signal cable between the brake light switch terminal #2 and engine control module (ECM) #B26. Check between engine control module (ECM) terminal #A38 and the throttle unit terminal #2. Check for a short-circuit to ground.
Check for an open-circuit. Check for a short-circuit to supply voltage.
Remedy as necessary.
Other information:
- To fault-trace and check wiring and terminals, see Checking wiring and terminals
Was a fault detected?
YES: Refer to Trouble Code Descriptions. Diagnostic Trouble Code Descriptions
NO: Continue with Test.