Component Function Check
1.CHECK REFRIGERANT PRESSURE SENSOR FUNCTION

Is the inspection result normal? YES >> INSPECTION END
NO >> Proceed to EC-482, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY

Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY CIRCUIT

Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
3.CHECK REFRIGERANT PRESSURE SENSOR GROUND CIRCUIT

Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace error-detected parts.
4.CHECK REFRIGERANT PRESSURE SENSOR INPUT SIGNAL CIRCUIT

Is the inspection result normal? YES >> GO TO 5.
NO >> Repair or replace error-detected parts.
5.CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to GI-41, "Intermittent Incident".
Is the inspection result normal? YES >> Replace refrigerant pressure sensor. Refer to HAC-108, "Removal and Installation" (with automatic air conditioner) or HAC-183, "Removal and Installation" (with manual air conditioner).
NO >> Repair or replace error-detected parts.
On board refueling vapor recovery (ORVR)
Sensor power supply2 circuitCombination meter
Removal and Installation
REMOVAL
Disconnect the negative battery terminal. Refer to PG-77, "Removal
and Installation".
Remove the cluster lid A. Refer to IP-20, "Removal and
Installation".
Remove screws (A), from the combination meter (1).
...
Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT
PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG� and “SEAT BELT PRE-TENSIONER�,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
...
P0506 ISC system
Description
The ECM controls the engine idle speed to a specified level through the fine
adjustment of the air, which is let
into the intake manifold, by operating the electric throttle control actuator.
The operating of the throttle valve is
varied to allow for optimum control of the engine ...