Toyota RAV4 manuals

Toyota RAV4 Service Manual: Communication

Toyota RAV4. Communication


Description

The skid control ecu sends signals such as cruise control cancel demand signals and brake operation demand from ecm response signals to the ecm when the cruise control system is in operation.

Toyota RAV4. Communication


Inspection procedure

Hint:

This circuit uses can communication. Therefore, if there are any malfunctions in the communication circuit, one or more dtcs in the can communication system are output.

  1. Check can communication system

Refer to how to proceed with troubleshooting (see page ca-8).

Toyota RAV4. Communication


Description

Therefore, if the skid control ecu detects a communication error from the ecm, it sends a malfunction signal back to the ecm.

Toyota RAV4. Communication


Inspection procedure

Hint:

This circuit uses can communication. Therefore, if there are any malfunctions in the communication circuit, one or more dtcs in the can communication system are output.

  1. Check can communication system

Refer to how to proceed with troubleshooting (see page ca-8).

Brake system malfunction
Description This dtc is output when the vsc system has a problem. Check the vsc system when this dtc is output. Inspection procedure Hint: This circuit uses can communication. Therefore ...

Cruise control switch circuit
Description This circuit sends signals to the ecm depending on the cruise control switch condition. The battery supplies positive (+) battery voltage to the cruise control switch. Then terminal ...

Other materials:

Push switch / key unlock warning switch malfunction
Description This dtc is output if the transponder key ecu does not detect that the unlock warning switch is on even when the ignition switch is on. Under normal conditions, the unlock warning switch is on when the ignition switch is on. Wiring diagram Inspection procedure Re ...

Back-up power source circuit
Description This is the back-up power source circuit for the air conditioning amplifier. Power is supplied even when the ignition switch is turned off and is used for functions such as the diagnostic trouble code memory. wiring diagram Inspection procedure Inspect fuse (ecu-b2) ...

Electronic control
Removal and installation of battery terminal Notice: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal. Before performing electronic work, disconnect the cable from the negative (-) battery terminal to ...

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