Toyota Tacoma manuals

Toyota Corolla Repair Manual: Idle signal circuit

Dtc 51 idle signal circuit

Inspection procedure
1 Input signal check See input signal check on page 05745. check indicator light operation when driving with vehicle speed above 40 km/h (25 mph), and with vehicle speed below 40 km/h ( ...

Circuit description
When the idle switch is turned on, a signal is sent to the cruise control ecu assy. The cruise control ecu assy uses this signal to correct the discrepancy between the throttle valve position and ...

Other materials:

Valve clearance
Adjustment 1. Remove cylinder head cover no.2 Remove the 2 nuts, 2 clips and cylinder head cover. 2. Disconnect engine wire Remove the 5 clamps from the 5 clamp brackets. Disconnect the 4 ignition coil connectors. Remove the bolt and nut installing the engine wire ...

Circuit description
If the engine coolant temperature (ect) does not reach 75c (167f) despite sufficient warm up time has elapsed. Dtc no Dtc detection condition Trouble area P0128 Condition (a), (b) and (c):  cold start  after engine is warmed up   ...

Indicator/warning lights
Concept Indicator/warning lights in the instrument cluster display the status of some functions in the vehicle and indicate when a malfunction is present in the monitored systems. General information The indicator/warning lights can light up in a variety of combinations and colors. Several of the l ...

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