Toyota Tacoma manuals

Toyota Corolla Repair Manual: Inspection procedure

Hint

: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the airfuel ratio was lean or rich, etc. At the time of the malfunction.

1 Check operation of speedometer

  1. Drive the vehicle and check if the operation of the speedometer in the combination meter is normal.

Hint

: the vehicle speed sensor is operating normally if the speedometer display is normal.

2 Inspect ecm(spd voltage)

2 Inspect ecm(spd voltage)

  1. Shift the lever to the neutral position.
  2.  jack up the vehicle.
  3.  turn the ignition switch on.
  4.  check the voltage between the terminals of the e4 and e5 ecm connectors as the wheel is turned slowly.

Standard:

Hint:

Hint

: the output voltage should fluctuate up and down similarly to the diagram on the left when the wheel is turned slowly.

Replace ecm

Replace ecm

Circuit description
The vehicle equipped with abs detects a vehicle speed using the stability control ecu and wheel speed sensor. This sensor monitors a wheel rotation speed and sends the signal to the ecu. The s ...

Idle air control System/ Circuit
Dtc p0505 idle air control system Dtc p0511 idle air control circuit ...

Other materials:

Basic inspection
Resistance measuring condition of electronic parts  unless stated, all resistance is measured at an ambient temperature of 20 c (68 F). As the resistance may be outside the specifications if measured at high temperatures immediately after the vehicle has been running, measur ...

Windshield wiper motor assy
Replacement 1. Remove windshield wiper arm cover 2. Remove fr wiper arm rh  operate the wiper and stop the windshield wiper motor assy at the automatic stop position.  remove a nut and fr wiper arm rh. 3. Remove fr wiper arm lh  remove a nut and fr wiper arm lh. 4 ...

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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