Refrigerant Type Construction; Sub-Cool System Description; On-Board Diagnostic System Description; Schematic And Routing Diagram - Suzuki Liana RH413 Service Manual

7B-41 Air Conditioning System: Automatic Type

Refrigerant Type Construction

Refer to "Refrigerant Type Construction".

Sub-Cool System Description

Refer to "Sub-Cool System Description".

On-Board Diagnostic System Description

NOTE
The diagnostic information as diagnostic
trouble code (DTC) can be known by using
SUZUKI scan tool (1). For further details,
refer to "DTC Check".
HVAC control module (2) can detect malfunctions, which
may occur in the following area.
• Outside air temperature sensor
• Inside air temperature sensor
• A/C evaporator temperature sensor
• Sunload sensor
• ECT sensor
• Temperature control actuator of heater unit
• Air flow control actuator of heater unit
• Temperature selector of HVAC control module
• Blower speed selector of HVAC control module
• Air flow selector of HVAC control module

Major Components of A/C System

Refer to "Major Components of A/C System".
S3RH0A7221002
S3RH0A7221003
S3RH0A7221004

Schematic and Routing Diagram

When HVAC control module detects malfunction, the
diagnostic information as diagnostic trouble code (DTC)
is stored in the memory of the module. By performing the
DTC check procedure, the diagnostic information can be
known by reading the flashing pattern of the fresh air
indicator lamp (3) and recirculation indicator lamp (4).
For the procedure, refer to "DTC Check".
When HVAC control module detects malfunction, the
rear defogger indicator lamp (5) flashes on and off for 15
seconds for a notice.
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3
2
4 5
1
I3RH0A722003-01
S3RH0A7222001