Visual Inspection; Dtc B1502: Inside Air Temperature Sensor Circuit Malfunction - Suzuki 2006 SX4 Service Manual

7B-57 Air Conditioning System: Automatic Type

Visual Inspection

Check visually the following parts and systems.
• Refrigerant
• A/C pipe or hose
• A/C compressor drive belt
• Battery
• Connectors of electric wire harness
• Fuses
• Parts
• Other parts that can be checked visually

DTC B1502: Inside Air Temperature Sensor Circuit Malfunction

Wiring Diagram
2
[S]
PNK/BLK
ORN
3
[S]: Inside air temperature sensor signal circuit
[G]: Inside air temperature sensor ground circuit
DTC Detecting Condition and Trouble Area
Inside air temperature sensor signal voltage is higher than or lower than
specified value for specified time continuously.
Inspection item
leakage and amount
disconnection,
looseness and
deterioration
looseness and damage Refer to "Compressor Drive Belt Inspection
fluid level and corrosion
of terminal
disconnection and
friction
burning
installation and damage
1
5V
14
G20-10
30
ORN G20-24
[G]
1. HVAC control module
2. Inside air temperature sensor
DTC Detecting Condition
and Adjustment".
G20
13 12 11 10 9 8
29 28 27 26 25 24 23
Correction
7 6 5 4 3 2
22 21 20 19 18 17 16
3. To other sensors
Trouble Area
• Inside air temperature sensor circuit
• Inside air temperature sensor
• HVAC control module
S6RW0C7224009
S6RW0C7224010
1
15
I7RW01722004-01