DTC B1422: Compressor Lock [06/2018 - ]: Procedure
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2024 Lexus ES 350, 2024 Lexus ES 250, 2023 Lexus ES 350, 2023 Lexus ES 250, and 2022 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT MAGNET CLUTCH ASSEMBLY
- Remove the compressor assembly with magnetic clutch.
Refer to DISASSEMBLY [06/2018 - ]
- Inspect the magnet clutch assembly.
Refer to INSPECTION [06/2018 - ]
Result
Proceed to OK NG
Result:
NG
REPLACE MAGNET CLUTCH ASSEMBLY. Refer to REMOVAL [06/2018 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ]
Result:
OK
See step 2
- Remove the compressor assembly with magnetic clutch.
- CHECK HARNESS AND CONNECTOR (MAGNET CLUTCH ASSEMBLY - AIR CONDITIONING AMPLIFIER ASSEMBLY)
- Disconnect the G40 air conditioning amplifier assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition C36-1 (SSR+) - G40-21 (LOCK) Always Below 1 Ω C36-2 (SSR-) - G40-2 (SG-2) Always Below 1 Ω C36-1 (SSR+) or G40-21 (LOCK) - Other terminals and body ground Always 10 kΩ or higher C36-2 (SSR-) or G40-2 (SG-2) - Other terminals and body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to REMOVAL [06/2018 - 08/2020] , or refer to REMOVAL [08/2020 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR