Toyota RAV4 Service Manual: 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 conditioning amplifier through the lin communication system.
If the lin communication system malfunctions, the air conditioning amplifier does not operate even if the air conditioning control is operated.
Wiring diagram
Inspection procedure
- Check wire harness (air conditioning control assembly - body ground)
- Disconnect the air conditioning control assembly connector.
- measure the resistance of the wire harness side connector.
Standard resistance
- Check wire harness (air conditioning control assembly - battery)
- Disconnect the e23 air conditioning control assembly connector.
- Measure the voltage of the wire harness side connector.
Standard voltage
- Check wire harness (air conditioning amplifier - air conditioning control)
- Disconnect the e23 control connector.
- Disconnect the e37 amplifier connector.
- Measure the resistance of the wire harness side connectors.
Standard resistance
- Replace air conditioning amplifier
- Replace the air conditioning control with a new or properly functioning one.
- Operate the air conditioning control to check that it functions properly.
Replace air conditioning amplifier
Multiplex communication circuit
Description
The air conditioning amplifier communicates data with the ecm and combination
meter through the can
communication system.
Wiring diagram
Inspection procedure
Check dt ...
Blower motor circuit
Description
The blower motor is operated by signals from the air conditioning amplifier.
Blower motor speed signals
are transmitted in accordance with changes in the duty ratio.
Wiring diagra ...
Other materials:
Disassembly (2006/01- )
Remove front axle inboard joint boot no. 2 Clamp
One touch type:
using a screwdriver, remove the inboard joint boot
clamp, as shown in the illustration.
Claw engagement type:
using needle-nose pliers, remove the inboard joint
boot clamp, as shown in the illustration.
Rem ...
Night Vision with
pedestrian and animal
detection
Concept
Night Vision with pedestrian and animal detection
is a night vision system.
An infrared camera scans the area in front of the
vehicle and issues a warning if it detects pedestrians and animals on the
street. The system detects
warm objects that are similar in shape to
human beings or anima ...
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Vehicle features and
options
This chapter describes all standard, country-specific
and optional features offered with the series.
It also describes features and functions that are
not necessarily available in your vehicle, e.g., due
to the selected options or country versions. This
also applies to ...
