Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Idle air control System/ Circuit
Toyota Corolla (E120): Idle air control System/ Circuit
Dtc p0505 idle air control system
Dtc p0511 idle air control circuit
Other materials:
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 ...
On–vehicle inspection
1. Inspect sliding roof function
check the slide opening operation (manual).
Turn the ignition switch on.
When keeping operating the sliding roof switch to the open side,
check that the roof glass will
slide and be fully opened.
check the slide closing ...
Turning on light switch does not light up night time
illumination of radio receiver
Wiring diagram
Inspection procedure
1 Inspect radio receiver assy(ill+, ill–)
Check that the voltage between terminals at each condition,
as shown in the chart.
Standard:
Repair or replace harness or connector ...


