Description
If the vehicle is stationary during sensor check mode, speed sensor malfunctions cannot be detected. The vehicle must be driven for speed sensor malfunctions to be detected.
Hint:
Change to sensor check mode by connecting terminals tc and cg of the dlc3, and turning the ignition switch from off to on.
Wiring diagram

Inspection procedure

Standard resistance 
Replace abs and traction actuator assembly
Tc and cg terminal circuit
Abs and traction actuatorTransmission control cable assembly
Replacement
Remove rear console box sub-assembly
Remove the console box (see page ip-20).
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pre ...
Compressor and pulley (for 2gr-fe)
Components
Removal
Discharge refrigerant from
refrigeration system (see page ac-172)
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensione ...
Intake air temperature circuit malfunction
Description
The intake air temperature (iat) sensor, mounted on the mass air flow (maf)
meter, monitors the iat.
The iat sensor has a built-in thermistor with a resistance that varies according
to the temperature of the
intake air. When the iat is low, the resistance of the thermist ...