ECC With A/C Function

NOTE: The fault may either be in the component itself or in the associated wiring.


Fault type DTC *Fault class
Ambient temperature sensor (on blower housing)
Short-circuit to ground 121 A
Open-circuit or short-circuit to 12 V 122 A

Interior temperature sensor (in roof light)
Short-circuit to ground 131 A
Open-circuit or short-circuit to 12 V 132 A

Coolant temperature sensor (In heater)
Short-circuit to ground 141 M
Open-circuit or short-circuit to 12 V 142 M

Generator
D+ Signal level fault in generator 151 A

Solar sensor (in loudspeaker grille) 161 I


NOTE: Illuminate sensor with lamp. If this is not done DTC will be displayed although sensor is intact.


Servomotor/potentiometer
Open-circuit or short-circuit to ground 211 A
Short-circuit to 12 V 212 A

Servomotor drive
Pin 17 or 18 connected incorrectly to 12 V 213 A

Servomotor
Motor activated for too long (blocked motor
or failure of motor supply) (> 10 s) 214 A

ECC control panel
Faulty temperature control 231 A

Blower motor
Starting current too high
motor turns sluggishly or seizes) 233 A

Power stage
Power stage connected to incorrect supply

Output affected:
Water valve 241 A
B/L 242 A
Vent 243 A
Rec 244 A
Defr 245 A
Floor 246 A
Blower, max. relay 247 A
Compressor 248 A
Blower relay 249 A

Fault-free 111

* Fault class A = Serious fault
M = Minor fault
I = No warning to driver