Suzuki Wagon R Plus RB310, Service Manual

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AIR CONDITIONING (OPTIONAL) 1B-1
1B
SECTION 1B
AIR CONDITIONING (OPTIONAL)
CONTENTS
Diagnosis........................................................ 1B-2
Wiring Circuit (M13 Engine Model)............... 1B-2
A/C System Inspection of ECM and Its
circuits (M13 Engine Model)......................... 1B-3
Compressor Drive Belt
(M13 Engine Model)..................................... 1B-5
On-Vehicle Service ........................................ 1B-6
Dual Pressure Switch................................... 1B-6
A/C Compressor Relay ................................ 1B-6
Compressor (M13 Engine Model) ................ 1B-7
WARNING:
For vehicles equipped with Supplemental Restraint (Air Bag) System:
• Service on and around the air bag system components or wiring must be performed only by an
authorized SUZUKI dealer. Refer to “Air Bag System Components and Wiring Location View” under
“General Description” in Section 10B in order to confirm whether you are performing service on or
near the air bag system components or wiring. Please observe all WARNINGs and “Service Precau-
tions” under “On-Vehicle Service” in Section 10B before performing service on or around the air
bag system components or wiring. Failure to follow WARNINGs could result in unintentional activa-
tion of the system or could render the system inoperative. Either of these two conditions may result
in severe injury.
• Technical service work must be started at least 90 seconds after the ignition switch is turned to the
“LOCK” position and the negative cable is disconnected from the battery. Otherwise, the system
may be activated by reserve energy in the Sensing and Diagnostic Module (SDM).
CAUTION:
The air conditioning system of this vehicle uses refrigerant HFC-134a (R-134a).
None of refrigerant, compressor oil and component parts is interchangeable between two types of
A/C: one using refrigerant CFC-12 (R-12) and the other using refrigerant HFC-134a (R-134a).
Be sure to check which refrigerant is used before any service work including inspection and mainte-
nance. For identification between these two types, refer to the description in page 1B-2.
When replenishing or changing refrigerant and compressor oil and when replacing parts, make sure
that the material or the part to be used is appropriate to the A/C installed in the vehicle being serviced.
Use of incorrect one will result in leakage of refrigerant, damage in parts or other faulty condition.
NOTE:
For the descriptions (items) not found in this section, refer to the same section of the Service Manual
mentioned in FOREWORD of this manual.