DESCRIPTION
In this circuit, the A/C compressor receives a refrigerant compression demand signal from the A/C amplifier.
Based on this signal, the A/C compressor changes the amount of compressor output.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
B1451/51 |
Open or short in A/C compressor solenoid circuit |
|
WIRING DIAGRAM
PROCEDURE
1. |
INSPECT A/C COMPRESSOR (SOLENOID VALVE) |
(a) Disconnect the A/C compressor (solenoid valve) connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
B29-2 (SOL+) - B29-1 (SOL-) |
20°C (68°F) |
10 to 11 Ω |
Result |
Proceed to |
---|---|
OK |
A |
NG (for 2GR-FE) |
B |
NG (for 1AR-FE) |
C |
*1 |
Component without harness connected (A/C Compressor (Solenoid Valve)) |
B | ![]() |
REPLACE A/C COMPRESSOR (SOLENOID VALVE) |
C | ![]() |
REPLACE A/C COMPRESSOR (SOLENOID VALVE) |
|
2. |
CHECK HARNESS AND CONNECTOR (A/C COMPRESSOR (SOLENOID VALVE) - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
CHECK HARNESS AND CONNECTOR (A/C COMPRESSOR (SOLENOID VALVE) - A/C AMPLIFIER) |
(a) Disconnect the A/C amplifier connector. |
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
Result:
|
|
A | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
B | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
C | ![]() |
REPLACE A/C AMPLIFIER |
Lost Communication with Front Airbag Sensor RH (B1612/83,B1613/83)
DESCRIPTION
The front airbag sensor RH circuit consists of the center airbag sensor assembly
and front airbag sensor RH.
The front airbag sensor RH detects impacts to the vehicle and sends signals to
the center airbag sensor assembly to determine if the ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the audio and visual system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
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