Toyota Tacoma manuals

Toyota Corolla Repair Manual: Check dlc3

The vehicles ecm uses the iso 91412 for communication protocol. The terminal arrangement of the dlc3 complies with sae j1962 and matches the iso 91412 format.

Hint:

Hint

: if the display shows unable to connect to vehicle when you have connected the cable of the obd ii scan tool or the handheld tester to the dlc3, turned the ignition switch on and operated the scan tool, there is a problem on the vehicle side or tool side.

Inspect battery voltage

Battery voltage: 11 to 14 v

If voltage is below 11 v, recharge the battery before proceeding.

Check mil

  1. The mil comes on when the ignition switch is turned on and the engine is not running.

    Hint

    : if the mil is not illuminated, troubleshoot the mil circuit .

  2.  when the engine is started, the mil should go off. If the mil remains on, it means that the diagnosis system has detected a malfunction or abnormality in the system.
Description
When troubleshooting obd ii vehicles, the only difference from the usual troubleshooting procedure is that you need to connect the vehicle to the obd ii scan tool complying with sae j1978 or ...

Dtc check/clear
Notice: if there is no dtc in the normal mode, check the pending fault code using the continuous test results function (mode 7 for sae j1979) on the obd ii scan tool or the handheld tester. ...

Other materials:

With parking assistant and Steptronic transmission: emergency braking function, Active PDC
Concept The emergency braking function of PDC initiates an emergency braking in case of acute risk of collision. General information Due to system limits, a collision cannot be prevented under all circumstances. The function is available below walking speed when driving in reverse or rolling backwar ...

Warning function
Light in the exterior mirror If there is a risk of collision If there is a risk of collision, the light in the exterior mirror flashes and the steering wheel vibrates. An active steering intervention takes place to prevent collisions and maintain the vehicle within its own lane. The steering inter ...

Bluetooth phone message function
Received messages can be forwarded from the connected Bluetooth phone, enabling checking and replying using the multimedia system. Depending on the type of Bluetooth phone connected, received messages may not be transferred to the message inbox. If the phone does not support the message func ...

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