On-vehicle Inspection
ComponentsAir Inlet Damper Control Servo Motor Circuit (B1442/42)
DESCRIPTION
This No. 1 air conditioning servo assembly (fresh/recirculation damper) is controlled
by the air conditioning amplifier assembly and moves the air inlet damper to the
desired position.
DTC No.
DTC Detection Condition
Trouble Area
B1 ...
Pressure Sensor Circuit (B1423/23)
DESCRIPTION
This DTC is stored if refrigerant pressure on the high pressure side is extremely
low (176 kPa (1.8 kgf/cm2, 26 psi) or less) or extremely high (3140 kPa (32.0 kgf/cm2,
455 psi) or more). The air conditioner pressure sensor, which is installed on the
pipe on the high pressure side ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT OIL PUMP RELIEF VALVE
(a) Coat the oil pump relief valve with engine oil and check that it
falls smoothly into the valve hole by its own weight.
If the valve does not fall smoothly, replace the timing chain cover assembly.
...