Toyota RAV4 manuals

Toyota RAV4 Service Manual: Tc and cg terminal circuit

Description

Dtc output mode is set by connecting terminals 13 (tc) and 4 (cg) of the dlc3. The dtcs are indicated by the blinking of the tire pressure warning light.

Wiring diagram

Toyota RAV4. Tc and cg terminal circuit


Hint:

When each warning light continues blinking, a ground short in the wiring of terminal tc of the dlc3 or an internal ground short in each ecu may have occurred.

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. Check wire harness (dlc3 - ecu)

Toyota RAV4. Check wire harness (dlc3 - ecu)


  1. Disconnect the e13 dlc3 connector.
  2. Disconnect the e56 ecu connector.
  3. Measure the resistance of the wire harness side connectors.

Standard resistance 




Proceed to next circuit inspection shown in problem symptoms table

Tire pressure warning system
...

Removal
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 preten ...

Other materials:

Vanity light
Components Removal Hint: Use the same procedures for the rh and lh sides. The procedures listed below are for the lh side. Disconnect cable from negative battery terminal Caution: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal t ...

Removal
Discharge fuel system pressure (see page fu-9) 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 pretensioner activation. Remove radiator support op ...

Ig power source circuit
Description This is the main power source supplied to the air conditioning amplifier when the ignition switch is on (ig). This power source is used for operating components, such as the air conditioning amplifier and servo motors. Wiring diagram Inspection procedure Inspect fuse (ec ...

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