Air Conditioner Control System Test - SSANGYONG Musso Sports N100 2003 Manual

1F1-28 M162 ENGINE CONTROLS

AIR CONDITIONER CONTROL SYSTEM TEST

Failure Test
Item
step
code
44,
⇒ 1.0 • • • • • Air
45, conditioner
signal:
- Input signal
(input signal
from thermo
amplifier)
⇒ 1.1 • • • • • Air
conditioner
compressor:
- Output
signal
⇒ 2.0 • • • • • Condenser
fan(HI)
control:
Checking method
•
•
10 44
•
•
10 27
•
•
10 35
Specified
Requirement
Engine:In idling
Air conditioner
switch : ON/OFF
Air conditioner
switch : OFF
Air conditioner
switch : ON
Engine:In idling
Air conditioner
switch : ON/OFF
Air conditioner
switch : OFF
Air conditioner
switch:ON
Engine:In idling
Air conditioner
switch : ON/OFF
Air conditioner
switch : OFF
Air conditioner
switch : ON
Coolant temperature:
above 105 °C
Possible cause
value
⇒ 5.1
•
• Cable
• Thermo amp
Auto amp
< 1 V •
Dual pressure
•
switch
11 - 14 V
Air conditioner
•
control panel
• Thermo amp
Auto amp
•
Dual pressure
•
switch
< 1 V
Air conditioner
•
control panel
11 - 14 V
• ECU
• Condenser fan
relay
•
Fan motor
• ECU
11 - 14 V
11 - 14 V
< 1 V