1998 SSANGYONG MUSSO air condition

7B/C-12 MANUAL & SEMIAUTO-HVAC
Charging Refrigerant
1. Connect the manifold gauge to the charging valve and
evacuate the system.
2. Connect the center hose of the gauge to the refrigerant
tank.
3. Open the high pressure valve and charge the system with
350g of refrigerant.
4. Close the high pressure valve and start the engine and run
the compressor.
Notice
Never open the high pressure valve when the compressor
is running. Refrigerant gas will be charged reverse.
5. Slowly open the low pressure valve and charge the system
with refrigerant.
Standard650 - 750 g
6. Close the low pressure valve after charging.
Notice
Checking the pressure through the sight glass is impossible
by applying & R-134a.
7. Stop the engine and disconnect the manifold gauge from
the system.
Operation Check
1. Place a dry bulb thermometer to the front duct.
2. Place a psychrometer close to the inlet of the cooling unit
(under the glove box).
3. Run the engine at 1,500 rpm.
4. Set the blower switch at ‘HI’ and A/C switch ‘ON”.
5. Set the temperature control lever at ‘COOL’.
6. Set the air flow control at ‘REC’.
7. Check that air conditioning system is stabilized.
Temperature of Air Inlet
High Pressure Gauge Reading 25 - 35°C
13.2 - 18.5kg/cm
2

MANUAL & SEMIAUTO-HVAC 7B/C-25
HEATER AND AIR CONDITIONER CONTROL BOX
1 Blower Switch
2 Recirculation Switch
3 Mode Switch4 A/C Switch
5 Temperature Control Lever
6 In-vehicle Sensor
MANUAL
SATC

SUPPLEMENTAL RESTRAINT SYSTEM(SRS) 8B-7
DIAGNOSIS
DESCRIPTION
Air bag control unit continuously controls system function as follows during ignition ON or driving.
- Recognition of collision
- Internal diagnosis
- External diagnosis
If recognize or detect defects, warning lamp will turn on. If there is danger of improper deployment, the system will
enter overall shutdown status and the air bag will not inflate.
Air bag control unit will store detected internal and external defects in the EEPROM.
System Control
Battery Voltage Check
Battery voltage will be monitored continuously. If voltage is out of normal operating range, all system diagnosis will
stop and warning lamp turn on.
Battery Voltage (V)
< 8.7
9 - 16
> 16.3
Function
System diagnosis stops and warning lamp turns on
Normal operation range
System diagnosis stops and warning lamp turns on
Squib Diagnosis
It checks not only high (4.50.5) or low (1.40.5) resistance but also short resistance (1- 10k) status between the
battery and ground to indicate defects in squib line by blinking warning lamp. Air bag control unit (AC4) can measure
squib resistance.
Warning Lamp Turning On
Air bag control unit detects system defects during ignition ON or driving and displays following 2 warning lamps.
- Warning lamp ON: internal defects of the air bag control unit
- Warning lamp blinking: higher resistance than standard in the squib line or short at the battery or ground,
Safety Function Check
It checks defects during operation of the arming sensor If the sensor is shorted for more than 2 seconds, the module
will enter overall shutdown mode.
Temperature Sensor
Function of the temperature sensor will be monitored continuously. If there is fault due to defective sensor or short,
the lamp will turn on and program will take calibration temperature (25) of collision conditions.
Power Supply
Airbag control unit operates in 9-16v and the characteristic of the system has backup condenser to supply the power
for max.150ms if there is power defect during collision.

SUPPLEMENTAL RESTRAINT SYSTEM(SRS) 8B-9
Diagnosis
Air bag control unit diagnoses each function in the intervals of 250ms - 20 sec. during start-up or driving to prevent
unwanted air bag deployment. If there is defect, it turns on or blinks warning lamp to indicate defects in the air bag
system to the driver. And fatal defect is found, air bag control unit enters overall or partial shutdown status and fault
code will be stored.
Air bag control unit diagnoses following items.
- Ignition TR
- Acceleration
- Microprocessor, RAM and ROM
- Watchdog
- Shutdown Switch
Diagnosis Condition Diagnosis Items
Start-up (ignition ON)
During Driving
Lamp Blinking Mode
There are 2 kinds of blinking mode
1. When system internal fault is found, the lamp will stay on.
2. The lamp will blink according to external fault and there are 2 blinking codes.
Blinking code 1 (Squib resistance fault in the driver’s air bag squib line)
Blinking code 2 (Squib short on plus and minus in the air bag squib line)
Lamp blinking code is as follows. The last blinking will be within 0.5 sec. and 1 cycle of blinking will be repeated every
5 seconds.
Blinking Code 1
(Sec.) 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
Blinking Code 3
(Sec.) 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
- Squib resistance
- Squib line short to battery and ground
- Energy reserve system
- Lamp output
- Battery voltage
- ASIC communication
- Arming sensor
- ASIC overheating
- RAM and W/D
- EEPROM

SECTION 9A
BODY WIRING SYSTEM
Schematic and Routing Diagrams . . . . . . . . 9A-2
Power Distribution . . . . . . . . . . . . . . . . . . . . . . 9A-2
Starting & Charging (Gasoline HFM) . . . . . . . 9A-3
Starting & Charging (Diesel) . . . . . . . . . . . . . . 9A-4
Fuse Box and Relay . . . . . . . . . . . . . . . . . . . 9A-5
Location of Connectors by
Wiring Harness . . . . . . . . . . . . . . . . . . . . . 9A-7
Main . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9A-7
Engine Room . . . . . . . . . . . . . . . . . . . . . . . . 9A-11
Floor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9A-13
Roof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9A-14
Driver's Door . . . . . . . . . . . . . . . . . . . . . . . . . 9A-15
Passenger's Door . . . . . . . . . . . . . . . . . . . . . 9A-15
TABLE OF CONTENTS
Caution: Disconnect the negative battery cable before removing or installing any electrical unit or when a
tool or equipment could easily come in contact with exposed electrical terminals. Disconnecting this cable
will help prevent personal injury and damage to the vehicle. The ignition must also be in LOCK unless otherwise
noted.
Rear Left Door . . . . . . . . . . . . . . . . . . . . . . . 9A-16
Rear Right Door . . . . . . . . . . . . . . . . . . . . . . 9A-16
Tail Gate . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9A-17
Semi Automatic Air Conditioner . . . . . . . . . . 9A-18
Full automatic Air Conditioner . . . . . . . . . . . . 9A-19
Gasoline Engine (MSE) . . . . . . . . . . . . . . . . 9A-20
Gasoline Engine (HFM) . . . . . . . . . . . . . . . . 9A-21
Diesel Engine . . . . . . . . . . . . . . . . . . . . . . . . 9A-22
Manual Transmission . . . . . . . . . . . . . . . . . . 9A-23
Automatic Transmission (BENZ) . . . . . . . . . . 9A-24
Automatic Transmission (BTRA) . . . . . . . . . . 9A-25
Driver's Seat . . . . . . . . . . . . . . . . . . . . . . . . . 9A-26

9A-6 BODY WIRING SYSTEM
Engine Room Fuse (EF) and Relay Box
1 Fuse (15A) : ABS, ABD
2 Fuse (20A) : Sun Roof
3 Fuse (10A) : Air Bag
4 Fuse (15A) : Audio, Clock, Out Side Mirror
5 Fuse (30A) : Cigarette lighter, Power Socket
6 Fuse (30A) : Heater
7 Fuse (15A) : Door Lock
8 Fuse (30A) : Rear Heated
9 Fuse (10A) : Audio, Buzzer, Chime, Clock
10 Fuse (30A) : Power Window
11 Fuse (10A) : Immobilizer
12 Fuse (20A) : T/C
13 Fuse (15A) : Interior Lamp
14 Fuse (15A) : Hazard Lamp
15 Fuse (15A) : Stop Lamp
16 Fuse (15A) : Turn signal Lamp, Head Lamp
17 Fuse (10A) : Back up Lamp
18 Fuse (15A) : Cluster, STICS
19 Fuse (15A) : A/T, Diagnosis
20 Fuse (15A) : Over Voltage Protection Relay
(Gasolin Only)
21 Fuse (15A) : Seat Heater
22 Fuse (15A) : ECS
23 Fuse (15A) : Front Wiper & Washer
24 Fuse (10A) : Rear Wiper & Washer, A/C
25 Relay : Front Wiper26 Relay : ABS Warning Lamp
27 Relay : Flasher Unit
28 Relay : Fuel Pump (Gasoline Only)
29 Relay : Shift Lock (A/T)
30 Relay : Clutch Interlock & Neutral
31 Relay : Sun Roof
32 Relay : A/T ‘B’ Interlock (MB A/T)
33 Relay : Power Window
34 Relay : Rear Fog Lamp
35 Relay : ECS
36 Relay : Compressor (Diesel E/G)
Condenser Fan (Gasoline E/G)
37 Relay : Condenser Fan
38 Relay : Air Conditioner
39 Fuse (10A) : Tail Lamp
40 Fuse (15A) : Head Lamp(LH)
41 Fuse (15A) : Head Lamp(RH)
42 Fuse (15A) : Front Fog Lamp
43 Fuse (10A) : Horn
44 Fuse (10A) : Compressor
45 Relay : Resistor with Diode (Gasoline E/G)
46 Relay : Front fog Lamp
47 Relay : Condenser Fan
48 Relay : Tail Lamp
49 Relay : Horn

BODY WIRING SYSTEM 9A-9
44 Joint Connector.................................................... Ground
45 Door Unlock Switch
46 Front Fog Lamp Switch
47 Rear Defogger Switch
4 8 ECS Switch
49 Rear Fog Lamp Switch........................................Rear Fog Lamp
50 Digital Clock
51 Thermo Amplifier
52 Glove Box Lamp Switch
53 Air Conditioner Wiring Connetor
54 Glove Box Lamp
55 Ground 6
56 Ground 6.............................................................Gasoline E/G
57 Ground 7.............................................................Gasoline E/G
58 Wheel Speed Sensor (FR)..................................ABS 5.0 or ABD 5.0
59 O
2 Sensor............................................................E32 Gasoline E/G
60 Engine Main Wiring Connector............................Gasoline E/G with MSE ECU
61 HFM .....................................................................Gasoline E/G with HFM ECU
61-1 MSE .....................................................................Gasoline E/G with MSE ECU
62 Front Door Wiring Connector (Passenger Side)
63 Front door Wiring Connector (Passenger Side)
64 Joint Connector (B+)
65 Audio
66 Audio
67 Air Bag Wiring Connector
68 Chime Bell
6 9 Buzzer
70 Kick Down Switch.................................................Automatic Transmission
71 Diode 2................................................................Manual Transmission
72 Ground 3
73 Ground 4
74 Front Cigarette Lighter
75 Diode 3................................................................Automatic Transmission, MB
76 S/E Mode Selector Switch....................................Automatic Transmission
76-1Mode Switch........................................................Automatic Transmission
77 “B” Position Switch..............................................Automatic Transmission
78 “P” Position Switch..............................................Automatic Transmission
79 Shift Lock Solenoid Valve.....................................Automatic Transmission
8 0 TCCU
81 Ground 5.............................................................Gasoline E/G
81-1Ground 7.............................................................Diesel E/G
82 Seat Extension Wiring Connector
83 Transmission Extension Wiring Connector...........E23 & E32 Gasoline E/G with Manual Transmission
83-1 Transmission Extension Wiring Connector...........Diesel E/G with MB A/T
84 Transmission Extension Wiring Connector...........Gasoline E/G with Manual Transmission
84-1 Transmission Extension Wiring Connector...........Diesel E/G with Manual Transmission or BTRE A/T
85 Transmission Extension Wiring Connector...........E23 & E32 Gasoline E/G with A/T
85-1 Transmission Extension Wiring Connector...........Diesel E/G with BTRE A/T
86 Transfer Case Motor
87 Transfer Case Motor
88 Vehicle Speed Sensor
89 Fuel Gauge
90 Acceleration Sensor.............................................ABS 5.0
91 Seat Belt Switch (Passenger)
92 Seat Heater Switch
93 Head Lamp Leveling Device Switch.....................Leveling Device

BODY WIRING SYSTEM 9A-11
ENGINE ROOM
1 Engine Room Relay Box
1.1 Main Wiring Connector
1.2 Main Wiring Connector
1.3 Main Wiring Connector........................................Gasoline E/G
1.4 Joint
1.5 Compressor, Condenser Fan Relay.....................Diesel E/G
1.6 Condenser Fan Relay 2
1.7 Air Conditioner Relay
1.8 Resistor with Diode..............................................Gasoline E/G
1.9 Front Fog Lamp Relay
1.10 Condenser Fan Relay 1
1.11 Tail Lamp Relay
1.12 Horn Relay
2 Octane Selector...................................................Gasoline E/G with HFM
3 Preheating Unit....................................................Diesel E/G
4 Preheating Timer Unit..........................................Diesel E/G
5 ECS Main Wiring Connector................................ ECS
6 Brake Leveling Fluid Sensor
7 ABD Main Wiring Connector................................ABD 5.0
7-1 ABS Main Wiring Connector................................ABD 5.0
8 ABD main Wiring Connector................................ABD 5.0
9 Engine Temperature Sensor................................Diesel E/G
10 ABS 5.0 ECU.......................................................ABS 5.0
10-1ABD 5.0 Modulator...............................................ABD 5.0
11 Front Washer Motor.............................................Diesel E/G
12 Head Lamp Relay
13 Compressor .........................................................Air Conditioner
14 Wheel Speed Sensor...........................................ABS 5.0 or ABD 5.0