Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Short in p squib (2nd step) circuit
(to ground)
Toyota Corolla (E120): Short in p squib (2nd step) circuit (to ground)
Dtc b1187/55 short in p squib (2nd step) circuit (to ground)
Other materials:
Replacement
Hint: components:
1. Remove front wheel
2. Remove front axle hub lh nut
sst 09930–00010
3. Separate front stabilizer link assy lh
4. Separate speed sensor front lh (w/ abs)
5. Separate front disc brake caliper assy lh
Remove the 2 bolts, separate the brake caliper assy ...
Circuit description
In the diagram below, when the engine is cranked, current flows from terminal
st2 of the ignition switch to
the starter relay coil and also current flows to terminal sta of the ecm (sta
signal).
When the sta signal and ne signal are input to the ecm, tr is turned on, current
flows to the c ...
Inspection procedure
1 Inspect cruise control actuator assy
Turn the ignition switch to off.
disconnect the cruise control actuator assy connector.
measure the resistance between terminals 1 (mo) and 2
(mc) of cruise control actuator assy.
Hint:
if control plate position is fully opened or ...