3. Connect ohmmeter to connector B 13 and ground.
Display: infinity
If 0 - 5 ohms is displayed, check the wiring for pinching and chafing.
* Outside temperature: 10 锟斤拷C
Engine temperature: 80 锟斤拷C
Vehicle speed: 70 km/h
Engine speed: 1000 rpm
Test Point 2
TEST POINT 2
Outside Temperature Sensor Open Circuit, Short To Ground
DTC 21
Fault Effect: Substitute value: 10 锟斤拷C
Diagnosis Conditions
- No control module fault stored.
- No fault on the supply voltage (5 Volt).
Open Circuit
1. Pull off connector A on the heating/air conditioning control.
2. Connect ohmmeter to connector A-7 and A-12.
Display: Approx. 1.2 kohms @ 23 锟斤拷C
3. Pull off connector on the outside temperature sensor.
4. Connect ohmmeter to connector A-7 and pin 1 (connector, outside temperature sensor).
Display: 0 - 5 ohms
5. Connect ohmmeter to connector A-12 and pin 2 (connector, outside temperature sensor).
Display: 0 - 5 ohms
6. Connect voltmeter to connector A-7 and ground. Switch on ignition.
Display: 0 Volts
If approx. 5 Volts is displayed, check the wiring for pinching and chafing.
Short to Ground
1. Pull off connector A on the heating/air conditioning control.
2. Connect ohmmeter to connector A-7 and ground.
Display: infinity
If 0 - 5 ohms is displayed, check the wiring for pinching and chafing.
Test Point 3
TEST POINT 3
Interior Temperature Sensor Open Circuit, Short To Ground
DTC 22
Fault Effect: Substitute value: 22 锟斤拷C
Diagnosis Conditions
- No control module fault stored.