Toyota Tacoma manuals

Toyota Corolla Repair Manual: 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 meter assembly to the cruise control ecu assy (see the following chart). The cruise control ecu assy calculates the vehicle speed from this pulse frequency.

Wiring diagram

Wiring diagram

Inspection procedure

Open vehicle speed sensor circuit/ Vehicle speed signal abnormal
Dtc 21 open vehicle speed sensor circuit Dtc 23 vehicle speed signal abnormal ...

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 ( ...

Other materials:

Inspection procedure
1 Inspect parking brake switch circuit Check for open and short circuit in parking brake switch circuit 2 Inspect brake fluid level warning switch circuit Check the brake fluid level in reservoir.  check for open and shot circuit in brake fluid level warning switch circuit ...

Onvehicle inspection
1. Inspection throttle body idle speed control valve assy Notice: it is impossible to check the resister value and the operation of isc valve by itself, because the isc valve has an ic circuit inside it, which transforms the duty signal from the ecm to the derive signal. After check ...

What to do if... (Troubleshooting)
If there is a problem with the hands-free system or a Bluetooth device, first check the table below. ► When using the hands-free system with a Bluetooth device ► When registering/connecting a cellular phone ► When making/receiving a call ► When using the pho ...

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