Differential
ComponentsCompressor Lock Sensor Circuit (B1422)
SYSTEM DESCRIPTION
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
ampli ...
Check Bus 3 Line for Short to GND
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and GND when there
is no resistance between terminal 6 (CA3H) of the central gateway ECU (network gateway
ECU) and terminal 4 (CG) of the DLC3, or terminal 21 (CA3L) of the central gateway
ECU (network gateway ECU) and ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL HAZARD WARNING SIGNAL SWITCH ASSEMBLY (AIR CONDITIONING CONTROL ASSEMBLY)
(for Automatic Air Conditioning System)
(a) Connect the connectors.
(b) Engage the 8 clips to hazard warning signal switch assembly (air conditioning
control assembly).
2. INSTALL HAZ ...