DESCRIPTION
If the air conditioning system cannot be operated using the air conditioning control assembly, the following factors may be the cause.
Symptom | Factor |
---|---|
Air conditioning system cannot be operated using air conditioning control assembly
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WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
1. |
CHECK FOR DTC |
(a) Check for DTCs.
Body Electrical > Air Conditioner > Trouble Codes
Result | Proceed to |
---|---|
B14B287 is not output |
A |
B14B287 is output |
B |
B | GO TO DTC B14B287 |
|
2. |
CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - POWER SOURCE AND BODY GROUND) |
*a | Front view of wire harness connector (to Air Conditioning Amplifier Assembly) |
(a) Disconnect the I49 air conditioning amplifier assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Switch Condition |
Specified Condition |
---|---|---|
I49-5 (B) - Body ground |
Ignition switch off | 11 to 14 V |
I49-6 (IG+) - Body ground |
Ignition switch ON | 11 to 14 V |
Ignition switch off | Below 1 V |
Standard Resistance:
Tester Connection | Condition |
Specified Condition |
---|---|---|
I49-17 (GND) - Body ground |
Always | Below 1 Ω |
OK | REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY |
NG | REPAIR OR REPLACE HARNESS OR CONNECTOR |