2001 Lexus GS 300 L6-3.0L (2JZ-GE)
Reading Diagnostic Trouble Codes
NOTE: This is the only information provided by the manufacturer for reading diagnostic trouble codes for this system.
1. WARNING FOR A/C COMPRESSOR LOCK
If compressor lock occurs during A/C operation, the A/C switch indicator on the A/C control assembly starts blinking.
When this occurs, check for compressor lock (DTC B1422) using diagnosis trouble code check then proceed to inspect the circuit or the component.
Compressor lock sensor circuit. (See DTC B1422 Compressor Lock Sensor Circuit)
2. LIST OF OPERATION METHODS
By operating each of the A/C control switches as shown in the diagram, it is possible to enter the diagnosis check mode.
3. INDICATOR CHECK
a. Turn the ignition switch on while pressing the A/C control AUTO switch and R/F SW simultaneously.
b. Check that all the indicators light up and go off at 1 second intervals 4 times in succession.
HINT: After the indicator check is ended, the diagnostic trouble code check begins automatically. Press the OFF switch when desiring to cancel the check mode. Download File PDF
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