Toyota RAV4 manuals

Toyota RAV4 Service Manual: Main body ecu communication stop mode

Toyota RAV4 Service Manual / Can communication / Fail-safe chart / Main body ecu communication stop mode

Description

Toyota RAV4. Main body ecu communication stop mode


Wiring diagram

Toyota RAV4. Main body ecu communication stop mode


Inspection procedure

Notice:

Hint:

Operating the ignition switch, any switches or any doors triggers related ecu and sensor communication with the can, which causes resistance variation.

  1. Check can bus line for disconnection (main body ecu branch wire)

Toyota RAV4. Check can bus line for disconnection (main body ecu branch wire)


  1. Disconnect the e17 main body ecu connector.
  2. Measure the resistance of the wire harness side connector.

Standard resistance




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

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


  1. Disconnect the 1e and 1b junction block connectors.
  2. Measure the resistance of the wire harness side connector.

Standard resistance


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

Standard voltage




Replace instrument panel junction block (main body ecu)

Ecm communication stop mode (2006/01- )
Description Wiring diagram Inspection procedure Notice: Turn the ignition switch off before measuring the resistances of the main wire and branch wire. After the ignition swi ...

Combination meter ecu communication stop mode
Description Wiring diagram Inspection procedure Notice: Turn the ignition switch off before measuring the resistances of the main wire and the branch wire. After the ignition swi ...

Other materials:

Inspection
Inspect starter assembly Notice: These tests must be performed within 3 to 5 seconds to avoid burning out the coil. Perform the pull-in test. Disconnect the lead wire from terminal c. Connect the battery to the magnetic switch as shown in the illustration. Check that the clutch ...

If your vehicle overheats
The following may indicate that your vehicle is overheating. The high engine coolant temperature warning light  Comes on or a loss of engine power is experienced. (For example, the vehicle speed does not increase.) Steam comes out from under the hood. Correction procedures Stop ...

Disassembly
Remove radiator grille sub-assembly Remove the 4 bolts and 4 nuts. Detach the 6 claws and remove the radiator grille. Remove no. 1 Radiator grille lower Detach the 18 claws and remove the radiator grille. Remove no. 2 Radiator grille lower Detac ...

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