HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Refrigerant Pressure with Manifold Gauge Set
PROCEDURE
1. REFRIGERANT GAS PRESSURE INSPECTION
1. Prepare the vehicle.
NOTE:
Check that the ambient temperature is 25 — 40°C (77 — 104°F) and that the humidity is 30% — 80%.
• Place the vehicle in the shade and windless condition, and open the front hood.
• Open the front windows and close all doors.
2. Check the refrigerant pressure.
Preparation tool:
Manifold gauge set
(1) Connect the manifold gauge set, and start the engine.
(2) Set the vehicle to the following conditions.
Item | Condition |
Engine | Warmed up (Engine coolant temperature indicator light: OFF) |
Air vent grille | Shutter is fully open. |
A/C switch | ON |
Temperature adjustment dial | LO (MAX COOL) |
FRESH/RECIRC switch | RECIRC |
Air flow control dial or switch | VENT |
Fan dial | Auto A/C model: 5/7 level |
Manual A/C model: 3/4 level |
(3) In the condition of step (2), idle the engine for 30 minutes.
(4) Read the gauge values on both high pressure side and low pressure side for manifold gauge.
3. Measure the air vent grille outlet opening temperature, ambient temperature and humidity.
Preparation tool:
Thermometer and hygrometer
NOTE:
For outlet opening temperature, measure the average temperature of center grille assembly and side grille assembly.
4. Check that the high and low pressures and outlet opening temperature for ambient temperature and humidity is within the standard value described in the chart below.

5. Refer to “DIAGNOSIS WITH SYMPTOM” if the inspection result is not within the standard value. Refrigerant Pressure with Manifold Gauge Set > INSPECTION">
Inspection
Relay and fuseDtc b1647 side satellite sensor bus lh lost communication
AIRBAG SYSTEM (DIAGNOSTICS) > Diagnostic Chart with Trouble CodeDTC B1647 SIDE SATELLITE SENSOR BUS LH LOST COMMUNICATIONDiagnosis start condition:Ignition voltage is 10 V to 16 V.DTC detecting condition:• Open or short circuit in harness of side sensor bus (LH)• Side airbag sensor (L ...
Dtc b14e4 air mix door actuator stepping motor circuit short-circuit (passenger)
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC B14E4 AIR MIX DOOR ACTUATOR STEPPING MOTOR CIRCUIT SHORT-CIRCUIT (PASSENGER)DTC detecting condition:Air mix door actuator stepping motor circuit is shorted.Trouble symptom:Temperature cannot be adjus ...
Dtc b1861 open in driver s knee airbag
AIRBAG SYSTEM (DIAGNOSTICS) > Diagnostic Chart with Trouble CodeDTC B1861 OPEN IN DRIVER’S KNEE AIRBAGDiagnosis start condition:Ignition voltage is 10 V to 16 V.DTC detecting condition:• Airbag main harness circuit is open.• Knee airbag module harness circuit is open.• Kne ...