DTC P0198
1 Check temperature sensor.
1. Connect special tool 9637 to wiring harness (DME control module connector).
2. Connect ohmmeter to pins III/17 and III/5.
Display: 2.8 - 3.5 k ohms at 60 锟斤拷C
2 Check wiring from DME control module to temperature sensor for continuity.
1. Connect special tool 9637 to wiring harness (DME control module connector).
2. Remove connector of temperature sensor.
3. Connect ohmmeter to pin III/17 (special tool 9637) and pin 3 (temperature sensor connector).
Display: 0 - 5 ohms
4. Connect ohmmeter to pin III/5 (special tool 9637) and pin 1 (temperature sensor connector).
Display: 0 - 5 ohms
3 Check wiring from DME control module to temperature sensor for short to ground.
1. Connect special tool 9637 to wiring harness (DME control module connector).
2. Remove connector of temperature sensor
3. Connect ohmmeter to pin III/5 and ground.
Display: infinity ohms
If 0 - 5 ohms is displayed, check wiring harness for chafing and pinching damage.