Toyota RAV4 manuals

Toyota RAV4 Service Manual: Multiplex communication circuit

Toyota RAV4. Multiplex communication circuit


Description

The air conditioning amplifier communicates data with the ecm and combination meter through the can communication system.

Toyota RAV4. Multiplex communication circuit


Wiring diagram

Toyota RAV4. Multiplex communication circuit


Inspection procedure

  1. Check dtc

  1. Clear the dtc (see page ac-31).
  2. Read the dtc (see page ac-31).

Result




Go to can communication system

Bus ic communication malfunction
Description The air conditioning harness connects the air conditioning amplifier and the servos. The air conditioning amplifier supplies power and sends operation instructions to each servo th ...

Air conditioning control panel does not operate
Description This circuit consists of the air conditioning control and the air conditioning amplifier. When the air conditioning control is operated, signals are transmitted to the air conditioni ...

Other materials:

Disassembly
Remove generator pulley with clutch Remove the cap from the pulley. Using a screwdriver, puncture the center of the cap and pry it off. Notice: Do not reuse the cap. Install sst to the pulley and vise as shown in the illustration. Sst 09820-63020 Mount sst (a) i ...

Abs warning light remains on
Description If any of the following conditions are detected, the abs warning light remains on: The ecu connectors are disconnected from the skid control ecu. There is a malfunction in the skid control ecu internal circuit. There is an open or short in the wire harness between the combinat ...

Customize parameters
Notice: When the customer requests a change in a function, first make sure that the function can be customized. Make a note of the current settings before customizing. When troubleshooting a function, first make sure that the function is set to the default setting. Combination me ...

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