2000 Lexus ES 300 V6-3.0L (1MZ-FE) Copyright ? 2013, ALLDATA 10.52SS Page 1
A L L Diagnostic Trouble Codes ( DTC ): B Code Charts
B1423
Wiring Diagram
CIRCUIT DESCRIPTION
This pressure switch sends the appropriate signals to the A/C control assembly when the A/C refrigerant pressure drops too low or rises too high.
When the A/C control assembly receives these signals, if outputs signals via the ECM to switch off the compressor relay and turns the magnetic
clutch off.
Detection Item
2000 Lexus ES 300 V6-3.0L (1MZ-FE) Copyright ? 2013, ALLDATA 10.52SS Page 2
Steps 1 - 2
2000 Lexus ES 300 V6-3.0L (1MZ-FE) Copyright ? 2013, ALLDATA 10.52SS Page 3
Step 3
INSPECTION PROCEDURE
A L L Diagnostic Trouble Codes ( DTC ): B Code Charts
B1423
Wiring Diagram
CIRCUIT DESCRIPTION
This pressure switch sends the appropriate signals to the A/C control assembly when the A/C refrigerant pressure drops too low or rises too high.
When the A/C control assembly receives these signals, if outputs signals via the ECM to switch off the compressor relay and turns the magnetic
clutch off.
Detection Item
2000 Lexus ES 300 V6-3.0L (1MZ-FE) Copyright ? 2013, ALLDATA 10.52SS Page 2
Steps 1 - 2
2000 Lexus ES 300 V6-3.0L (1MZ-FE) Copyright ? 2013, ALLDATA 10.52SS Page 3
Step 3
INSPECTION PROCEDURE
