Toyota Tacoma manuals

Toyota Corolla Repair Manual: Inspection procedure

1 Input signal check

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

    Ok: vehicle speed above 40 km/h (25 mph): indicator light blinks vehicle speed below 40 km/h (25 mph): indicator light stays on

2 Check speedometer circuit

2 Check speedometer circuit

3 Check harness and connector(between cruise control ecu assy

3 Check harness and connector(between cruise control ecu assy and combination meter assembly)

  1. Check for open and short circuit in harness and connector between cruise control ecu assy and combination meter assembly

Check and replace cruise control ecu assy

Check and replace cruise control ecu assy

Circuit description
The vehicle speed sensor circuit is sent to cruise control ecu assy as a vehicle speed signal. For each rotation of the shaft, the vehicle speed sensor sends a signal through the combination mete ...

Idle signal circuit
Dtc 51 idle signal circuit ...

Other materials:

Monitor description
Dtc p0451, p0452 or p0453 is recorded by the ecm when the vapor pressure sensor malfunctions. P0451 The ecm senses pressure in the fuel tank using the vapor pressure sensor. The ecm supplies the sensor with a regulated 5 v referencevoltage and the sensor returns a signal voltage between ...

Check and replace ecu
Notice: start an inspection of the connector from the backside of the connector on the wire harness side with the connector connected to the ecu. When no measurement condition is specified, perform the inspection with the engine stopped and also the ignition switch on. First check the ec ...

Circuit description
Refer to dtc p0115 Dtc no. Dtc detection condition Trouble area P0116 If engine coolant temperature (ect) was between 35 c (95 F) and 60 c (140 F) when starting the engine, and also conditions (a) and (b) are met:  vehicle has run with acceleration and ...

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