Toyota RAV4 manuals

Toyota RAV4 Service Manual: Ecu power source circuit

Description

This is the power source for the tire pressure warning ecu.

Wiring diagram

Toyota RAV4. Wiring diagram


Inspection procedure

Notice:

It is necessary to register an id code after replacing the tire pressure monitor valve and/or the tire pressure warning ecu (see page tw-9).

  1. Inspect fuse (ecu-ig1)

  1. Remove the ecu-ig1 fuse from the instrument panel junction block.
  2. Measure the resistance of the fuse.

Standard resistance: below 1




  1. Inspect ig1 relay

Toyota RAV4. Inspect ig1 relay


  1. Remove the ig1 relay from the instrument panel junction block.
  2. Measure the resistance of the relay.

Standard resistance




  1. Inspect wire harness (ecu - battery and body ground)

Toyota RAV4. Inspect wire harness (ecu - battery and body ground)


  1. Disconnect the e56 ecu connector.
  2. Measure the voltage of the wire harness side connector.

Standard voltage


  1. Measure the resistance of the wire harness side connector.

Standard resistance




Proceed to next circuit inspection shown in problem symptoms table

Tire pressure warning light circuit
Description If the tire pressure warning ecu detects trouble, the tire pressure warning light turns on and tire pressure monitor is canceled at the same time. At this time, the ecu records a dtc i ...

Tire pressure warning receiver (w/ antenna)
Components ...

Other materials:

Assist grips
An assist grip installed on the ceiling can be used to support your body while sitting on the seat. Caution Assist grip Do not use the assist grip when getting in or out of the vehicle or rising from your seat. Doing so could damage the assist grip, or could cause you to injure yourse ...

Registering a bluetooth® phone for the first time
To use the hands-free system, it is necessary to register a bluetooth® phone with the system. Once the phone has been registered, it is possible to use the hands-free system. For details about registering a bluetooth® device Turn the bluetooth® connection setting of your cellular phon ...

High pitched horn
Components Removal Remove radiator support opening cover (see page et-4) Remove front fender liner lh (see page et-4) Remove front fender liner rh (see page et-4) Remove front bumper cover (see page et-5) Remove high pitched horn Disconnect the horn connector. Remove t ...

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