Infiniti G37 Coupe. Manual — part 790
LEAK DETECTION DYE
HAC-149
< PRECAUTION >
[AUTOMATIC AIR CONDITIONER]
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LEAK DETECTION DYE
General Precautions
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CAUTION:
• The A/C system contains a fluorescent leak detection dye used for locating refrigerant leakages. An
ultraviolet (UV) lamp is required to illuminate the dye when inspecting for leakages.
• Wear always fluorescence enhancing UV safety goggles to protect eyes and enhance the visibility of
the fluorescent dye.
• The fluorescent dye leak detector is not a replacement for an electrical leak detector (SST: J-41995).
The fluorescent dye leak detector should be used in conjunction with an electrical leak detector
(SST: J-41995) to pin-point refrigerant leakages.
• Read and follow all manufacture’s operating instructions and precautions prior to performing the
work for the purpose of safety and customer’s satisfaction.
• A compressor shaft seal should not necessarily be repaired because of dye seepage. The compres-
sor shaft seal should only be repaired after confirming the leakage with an electrical leak detector
(SST: J-41995).
• Remove always any remaining dye from the leakage area after repairs are completed to avoid a mis-
diagnosis during a future service.
• Never allow dye to come into contact with painted body panels or interior components. Clean imme-
diately with the approved dye cleaner if dye is spilled. Fluorescent dye left on a surface for an
extended period of time cannot be removed.
• Never spray the fluorescent dye cleaning agent on hot surfaces (engine exhaust manifold, etc.).
• Never use more than one refrigerant dye bottle (1/4 ounce /7.4 cc) per A/C system.
• Leak detection dyes for HFC-134a (R-134a) and CFC-12 (R-12) A/C systems are different. Never use
HFC-134a (R-134a) leak detection dye in CFC-12 (R-12) A/C system, or CFC-12 (R-12) leak detection
dye in HFC-134a (R-134a) A/C system, or A/C system damage may result.
• The fluorescent properties of the dye remains for three years or a little over unless a compressor
malfunction occurs.
IDENTIFICATION
NOTE:
Vehicles with factory installed fluorescent dye have a green label.
Vehicles without factory installed fluorescent dye have a blue label.
IDENTIFICATION LABEL FOR VEHICLE
Vehicles with factory installed fluorescent dye have the identification label on the front side of hood.
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DRIVER CONTROLS
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SECTION
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CONTENTS
HORN
COMPONENT DIAGNOSIS . . . . . . ..
HORN . . . . . . . . . . . . . . . . ..
Wiring Diagram - HORN - . . . . . . . . . .....
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precaution for Battery Service . . . . . . . . ..
ON-VEHICLE REPAIR . . . . . . . . ..
HORN . . . . . . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . . ..
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< COMPONENT DIAGNOSIS >
HORN
COMPONENT DIAGNOSIS
HORN
Wiring Diagram - HORN -
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Click here to view the eWD.
JCLWA0787GB
HORN
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< COMPONENT DIAGNOSIS >
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JCLWA0788GB
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