Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Idle signal circuit
Toyota Corolla (E120): Idle signal circuit
Dtc 51 idle signal circuit
Other materials:
Starting & charging
Preparation
Sst
Recomended tools
Equipment
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Combination meter assy
Overhaul
Hint: components:
1. Remove meter hood sub–assy
2. Remove combination meter assy
Remove the screw.
disengage the 2 clips as shown in the illustration.
disconnect the connector, then remove the combination
meter.
3. Remove combination meter glass
Di ...
Circuit description
The throttle pressure that is applied to the primary regulator
valve (which modulates the line pressure) causes the solenoid
valve slt, under electronic control, to precisely and minutely
modulate and generate the line pressure according the extent
of the accelerator pedal depressed or the o ...


