DESCRIPTION
This circuit consists of the air conditioning control assembly and the A/C amplifier. When the air conditioning control assembly is operated, signals are transmitted to the A/C amplifier through the LIN communication system.
If the LIN communication system malfunctions, the A/C amplifier does not operate even if the air conditioning control assembly is operated.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (AIR CONDITIONING CONTROL ASSEMBLY - BODY GROUND) |
(a) Disconnect the air conditioning control assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E3-5 (GND) - Body ground |
Always |
Below 1 Ω |
*1 |
Front view of wire harness connector (to Air Conditioning Control Assembly) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK HARNESS AND CONNECTOR (AIR CONDITIONING CONTROL ASSEMBLY - BATTERY) |
(a) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
CHECK HARNESS AND CONNECTOR (A/C AMPLIFIER - AIR CONDITIONING CONTROL ASSEMBLY) |
(a) Disconnect the A/C amplifier connector. |
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
INSPECT AIR CONDITIONING CONTROL ASSEMBLY |
(a) Replace the air conditioning control assembly (See page
).
HINT:
Since the air conditioning control assembly cannot be inspected while it is removed from the vehicle, replace the air conditioning control assembly with a new or a known good one and check that the condition returns to normal.
(b) Operate the air conditioning control assembly to check that it functions properly.
Result |
Proceed to |
---|---|
Air conditioning control assembly malfunctions |
A |
Air Conditioning control assembly functions properly |
B |
A | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
B | ![]() |
REPLACE AIR CONDITIONING CONTROL ASSEMBLY |
Window Defogger Wire
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK REAR WINDOW DEFOGGER SYSTEM OPERATION
(a) When the ignition switch is turned to ON and the rear window defogger switch
is pressed, check that the rear window defogger system operates.
2. I ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful bec ...
System Description
SYSTEM DESCRIPTION
1. FRONT POWER SEAT CONTROL SYSTEM DESCRIPTION
The driver seat is equipped with slide, reclining, lifter, front vertical and
lumbar support adjustment functions.
2. FUNCTION OF MAIN COMPONENTS
The following functions are available:
...