Mercedes-Benz ML320. Manual — part 696

AIR CONDITIONING (TEMPMATIC) TEST OF ELECTRICAL SYSTEM CIRCUIT 15 VOLTAGE SUPPLY - AD83.30-P-6000-
01GH

Fig. 138: Air Conditioning (Tempmatic) Test Of Electrical System Circuit 15 Voltage Supply

AIR CONDITIONING (TEMPMATIC) TEST OF ELECTRICAL SYSTEM CIRCUIT 31 GND - AD83.30-P-6000-02GH

Fig. 139: Air Conditioning (Tempmatic) Test Of Electrical System Circuit 31 GND

AIR CONDITIONING (TEMPMATIC) TEST OF ELECTRICAL SYSTEM IN-CAR TEMPERATURE SENSOR - AD83.30-P-
6000-03GH

Fig. 140: Air Conditioning (Tempmatic) Test Of Electrical System In-Car Temperature Sensor

AIR CONDITIONING (TEMPMATIC) TEST OF ELECTRICAL SYSTEM ANTI-ICING TEMPERATURE SENSOR - AD83.30-
P-6000-04GH

No fault code

No fault detected

If there is a complaint in spite of this ?

Air conditioning (TAU) electrical system
testing

AD83.30-P-
6000GH

B1232

Refrigerant compressor
sensor (B12)

AD83.30-P-
6000-09GH

B1419

Electromagnetic clutch
(A9k1)



Wiring



A9k1

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me

Fig. 141: Air Conditioning (Tempmatic) Test Of Electrical System Anti-Icing Temperature Sensor

AIR CONDITIONING (TEMPMATIC) TEST OF ELECTRICAL SYSTEM TEMPERATURE SELECTOR CONTROL
VOLTAGE - AD83.30-P-6000-05GH

Fig. 142: Air Conditioning (Tempmatic) Test Of Electrical System Temperature Selector Control Voltage

AIR CONDITIONING (TEMPMATIC) TEST OF ELECTRICAL SYSTEM BLENDING AIR FLAP SERVO MOTOR
CONTROL VOLTAGE - AD83.30-P-6000-06GH

Fig. 143: Air Conditioning (Tempmatic) Test Of Electrical System Blending Air Flap Servo Motor
Control Voltage

AIR CONDITIONING (TEMPMATIC) TEST OF ELECTRICAL SYSTEM BLENDING AIR FLAP SERVO MOTOR GND -
AD83.30-P-6000-07GH

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me

Fig. 144: Air Conditioning (Tempmatic) Test Of Electrical System Blending Air Flap Servo Motor GND

AIR CONDITIONING (TEMPMATIC) TEST OF ELECTRICAL SYSTEM REFRIGERANT COMPRESSOR ACTUATION -
AD83.30-P-6000-08GH

Fig. 145: Air Conditioning (Tempmatic) Test Of Electrical System Refrigerant Compressor Actuation

AIR CONDITIONING (TEMPMATIC) TEST OF ELECTRICAL SYSTEM REFRIGERANT PRESSURE SENSOR - AD83.30-P-
6000-09GH

Fig. 146: Air Conditioning (Tempmatic) Test Of Electrical System Refrigerant Pressure Sensor

OUTSIDE AIR TEMPERATURE SENSOR, TESTING ELECTRICAL SYSTEM OF TAC - AD83.30-P-6000-24GH

as of 1.12.99

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me

Fig. 147: Outside Air Temperature Sensor, Testing Electrical System Of TAC

AIR CONDITIONING (TEMPMATIC) ELECTRICAL SYSTEM TESTING - AD83.30-P-6000GH

MODEL 163 with CODE (580) Air conditioning or Tempmatic for USA

Air conditioning component
arrangement

GF83.30-P-
0003-01GH

Overview of climate control wiring
diagrams

PE83.00-P-
1100E

Connect hand-held tester (HHT), read
out diagnostic trouble code memory

Model 163 up to 31.8.01

Erase fault memory in control module

(N19) using HHT when testing is complete

AD00.00-P-
2000-03C

Air conditioning (Tempmatic)
diagnosis previous knowledge

AD83.30-P-
2000GH

Air conditioning (Tempmatic)
diagnosis function check

The testing of the fresh air/recirculated

air flap actuator motor (M39) is carried out
during the function check

AD83.30-P-
3000GH

Testing

1

Circuit 15 power supply, air
conditioning (Tempmatic) electrical
system testing

AD83.30-P-
6000-01GH

2

Circuit 31 ground, air conditioning
(Tempmatic) electrical system testing

AD83.30-P-
6000-02GH

3

In-car temperature sensor, air
conditioning (Tempmatic) electrical
system testing

AD83.30-P-
6000-03GH

4

Anti-icing protection temperature
sensor, air conditioning (Tempmatic)
electrical system testing

AD83.30-P-
6000-04GH

5

Temperature selector wheel control
voltage Air conditioning (Tempmatic)
electrical system testing

AD83.30-P-
6000-05GH

6

Blending air flap servo motor control
voltage, air conditioning (Tempmatic)
electrical system testing

AD83.30-P-
6000-06GH

7

Blending air flap actuator motor
ground, air conditioning (Tempmatic)

AD83.30-P-

2001 Mercedes-Benz ML320

1998-2005 HVAC Climate Control - 163 Chassis

me