ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET
HINT:
This is a method where a manifold gauge set is used to help locate the problem.
(a) Read the manifold gauge pressure when the following conditions are met:
Test conditions:
(1) Normally functioning refrigeration system Gauge Reading
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(2) Moisture is present in the refrigeration system.
Symptom |
Probable Cause |
Diagnosis |
Corrective Action |
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During operation, pressure on low pressure side cycles between normal and vacuum |
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(3) Insufficient cooling
Symptom |
Probable Cause |
Diagnosis |
Corrective Action |
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Gas leaks from the refrigeration system |
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(4) Poor circulation of refrigerant
Symptom |
Probable Cause |
Diagnosis |
Corrective Action |
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Refrigerant flow is obstructed by dirt inside the pipes of the condenser core |
Receiver is clogged |
Replace condenser |
(5) Refrigerant does not circulate.
Symptom |
Probable Cause |
Diagnosis |
Corrective Action |
---|---|---|---|
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Refrigerant does not circulate |
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(6) Refrigerant is overcharged or cooling effectiveness of condenser is insufficient.
Symptom |
Probable Cause |
Diagnosis |
Corrective Action |
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(7) Air is present in the refrigeration system.
Symptom |
Probable Cause |
Diagnosis |
Corrective Action |
---|---|---|---|
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Air in system |
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(8) Expansion valve malfunction
Symptom |
Probable Cause |
Diagnosis |
Corrective Action |
---|---|---|---|
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Expansion valve may be stuck |
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Check expansion valve |
(9) Insufficient compressor compression
Symptom |
Probable Cause |
Diagnosis |
Corrective Action |
---|---|---|---|
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Internal leak in compressor |
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Replace compressor |
Gauge readings (Reference)
Mass or Volume Air Flow Circuit Low Input (P0102,P0103)
DESCRIPTION
The mass air flow meter is a sensor that measures the amount of air flowing through
the throttle valve. The ECM uses this information to determine the fuel injection
time and to provide the appropriate air-fuel ratio.
Inside the mass air flow ...
Disassembly
DISASSEMBLY
CAUTION / NOTICE / HINT
NOTICE:
When using a vise, do not overtighten it.
PROCEDURE
1. REMOVE STEERING LOCK ACTUATOR ASSEMBLY (w/ Smart Key System)
(a) Secure the steering column assembly in a vise.
(b) Using a center punch, mark the center ...
Power Mirrors do not Return to Memorized Position
SYSTEM DESCRIPTION
If either the M1 or M2 seat memory switch is pressed, the outer mirror control
ECU assembly (driver door) detects the seat memory switch status and sends the switch
signal to the main body ECU (driver side junction block assembly) via C ...