Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Short in p/t squib (lh) circuit
Toyota Corolla (E120): Short in p/t squib (lh) circuit
Dtc b0135/73 short in p/t squib (lh) circuit
Other materials:
Brake fluid
Bleeding
Notice:
wash the brake fluid off immediately if it comes into contact with any painted
surface.
Hint:
if any work is done on the brake system or if air in the brake lines is
suspected, bleed the air from the system.
1. Fill reservoir with brake fluid
fluid: sae j1703 or fmvss no. ...
Inspection procedure
1 Check fuse(ecu–ig)
Remove the ecu–ig fuse from the instrument panel j/b.
check the continuity of the ecu–ig fuse.
Ok: continuity
2 Inspect terminal voltage(b)
Remove the cruise control ecu assy with connector still
connected.
turn the ignition switch ...
Circuit description
The fuel trim is related to the feedback compensation value, not to the basic
injection time. The fuel trim includes
the short–term fuel trim and the long–term fuel trim.
The short–term fuel trim is the short–term fuel compensation used to maintain
the air–fuel ratio at stoichiomet ...