Toyota Corolla (E120): Short in p squib (2nd step) circuit (to ground)

Dtc b1187/55 short in p squib (2nd step) circuit (to ground)

Share this page:

Other materials:

Replacement
Hint: for parking brake cable assy no.2, Perform the same procedure to the parking brake cable assy no.3. 1. Remove rear wheel 2. Remove rear brake drum sub–assy 3. Remove rear brake automatic adjust lever lh 4. Remove front brake shoe  sst 09718–00010 5. Remove parking brake sho ...

Inspection procedure
Hint: hand–held tester only: narrowing down the trouble area is possible by performing ”a/f control” active test (heated oxygen sensor or other trouble areas can be distinguished).  perform active test using hand–held tester (a/f control). Hint: ”a/f control” is the act ...

Circuit description
When the idle switch is turned on, a signal is sent to the cruise control ecu assy. The cruise control ecu assy uses this signal to correct the discrepancy between the throttle valve position and the actuator position sensor values to enable accurate cruise control at the set speed. If the idl ...