Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Open vehicle speed sensor circuit/ Vehicle speed signal abnormal
Toyota Corolla (E120): Open vehicle speed sensor circuit/ Vehicle speed signal abnormal
Dtc 21 open vehicle speed sensor circuit
Dtc 23 vehicle speed signal abnormal
Other materials:
Replacement
1. Remove console box sub–assy rear
2. Remove parking brake lever sub–assy
3. Remove exhaust pipe assy front
4. Remove front floor heat insulator no.1
Remove the 3 nuts and front floor insulator no.1.
5. Remove front floor heat insulator no.2
Remove the 2 nuts and front ...
If your vehicle overheats
The following may indicate
that your vehicle is overheating.
The engine coolant temperature
gauge is in the red zone or a loss
of engine power is experienced.
(For example, the
vehicle speed does not
increase.)
"Engine Coolant Temp High
Stop in a Safe Place See
Owner's Manual" is shown
on ...
Circuit description
The purpose of this circuit is to prevent the engine from stalling while
driving in lock–up condition, when
brakes are suddenly applied.
When the brake pedal is depressed, this switch sends a signals to the ecm. Then
the ecm cancels the operation
of the lock–up clutch while braking is i ...