Last Modified: 11-13-2015 6.6 C Doc ID: RM0000026BV0B8X
Model Year Start: 2016 Model: Tacoma Prod Date Range: [08/2015 - ]
Title: AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Manual Air Conditioning System): B1422;
Compressor Lock Sensor Circuit; 2016 MY Tacoma [08/2015 - ]
DTC B1422 Compressor Lock Sensor Circuit
The ECM sends the engine speed signal to the air conditioning amplifier assembly via CAN communication.
The air conditioning amplifier assembly reads the difference between compressor speed and engine speed. When
the difference becomes too large, the air conditioning amplifier assembly determines that the compressor is
locked, and turns the magnet-clutch assembly off.
DTC NO. DTC DETECTION CONDITION TROUBLE AREA
B1422 Open or short in A/C lock sensor circuit
Cooler compressor assembly
Harness or connector
Air conditioning amplifier assembly
CAN communication system