Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 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:

Wireless remote control/electronic key battery
Replace the battery with a new one if it is depleted. â– If the key battery is depleted The following symptoms may occur: The smart key system (if equipped) and wireless remote control will not function properly. The operational range will be reduced. Items to prepare Prepare the following be ...

On-vehicle inspection
Check fan and generator v belt Visually check the drive belt for excessive wear, frayed cords, etc. If any defect has been found, replace the drive belt. Hint: Cracks on the rib side of a drive belt are considered acceptable. If the drive belt has chunks missing from the r ...

Lost communication with front satellite sensor bus lh
Description The front airbag sensor lh consists of the diagnostic circuit and the frontal deceleration sensor. If the center airbag sensor receives signals from the frontal deceleration sensor, it determines whether or not the srs should be activated. Dtc b1607/84, b1608/84, b1617/84 ...

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