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
B1422
Detection Item
CIRCUIT DESCRIPTION
This sensor sends 4 pulses par engine revolution to the A/C control assembly. If the number ratio of the compressor speed divided by the engine
speed is smaller than a predetermined value, the A/C control assembly turns the compressor off. And, the indicator flashes at about 1 sec. intervals.
Wiring Diagram
Step 1
2000 Lexus ES 300 V6-3.0L (1MZ-FE) Copyright ? 2013, ALLDATA 10.52SS Page 2
Steps 2 - 3
INSPECTION PROCEDURE
A L L Diagnostic Trouble Codes ( DTC ): B Code Charts
B1422
Detection Item
CIRCUIT DESCRIPTION
This sensor sends 4 pulses par engine revolution to the A/C control assembly. If the number ratio of the compressor speed divided by the engine
speed is smaller than a predetermined value, the A/C control assembly turns the compressor off. And, the indicator flashes at about 1 sec. intervals.
Wiring Diagram
Step 1
2000 Lexus ES 300 V6-3.0L (1MZ-FE) Copyright ? 2013, ALLDATA 10.52SS Page 2
Steps 2 - 3
INSPECTION PROCEDURE
