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:

Oxygen (a/f) sensor heater control circuit
Hint: Although the dtc titles say oxygen sensor, these dtcs relate to the air-fuel ratio (a/f) sensor. Sensor 1 refers to the sensor mounted in front of the three-way catalytic converter (twc) and located near the engine assembly. Description Refer to dtc p2195 (see page es-292 ...

Pressure sensor circuit
Description This dtc is output when the refrigerant pressure is either extremely low (0.19 Mpa [2.0 Kgf/cm2, 28 psi] or less) or extremely high (3.14 Mpa [32.0 Kgf/cm2, 455 psi] or more). The air conditioning pressure sensor, which is installed on the pipe of the high pressure side, detec ...

Mechanical system tests
Stall speed test Hint: This test is to check the overall performance of the engine and transaxle. Notice: Do not perform the stall speed test longer than 5 seconds. To ensure safety, perform this test in an open and level area that provides good traction. The stall speed test sh ...

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