Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS FOR OPEN CIRCUIT
Check the resistance between the data link connector terminals.

BCM branch line circuit
M&A branch line circuitSystem Description
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting - Engine Noise
Camshaft bearing noise
Piston pin noise
Piston slap noise
Main bearing noise
Connecting rod bearing noise
Drive belt noise (Sticking/Slipping)
Drive belt noise (Slipping)
Water pump n ...
Refrigerant pressure sensor
Removal and Installation
REMOVAL
Discharge the refrigerant. Refer to HA-28, "Recycle Refrigerant".
Remove the core support upper cover.
Disconnect the harness connector from the refrigerant pressure
sensor.
Remove the refrigerant pressure sensor.
CAUTION:
Cap or wrap the ...
P1572 ASCD brake switch
Description
When the brake pedal is depressed, ASCD brake switch is turned OFF and stop
lamp switch is turned ON.
ECM detects the state of the brake pedal by those two types of input (ON/OFF
signal).
Refer to EC-68, "System Diagram" for the ASCD function.
DTC Logic
DTC DETECTI ...