4. Connect ohmmeter on the pin side on pins B-7 and B-8. Insert the belt tongue in the buckle.
Display: approx. 100 ohms
5. Inspect the wiring harness to the triggering unit for pinches and chafing damage.
Test Point 6
TEST POINT 6
Belt Buckle, Passenger
Fault Codes 47, 48, 49, 51
1. Disconnect the plug connection X-17.
2. Connect ohmmeter on the pin side on pins B-7 and B-8.
Display: approx. 400 ohms
Note:
The belt tongue must not be inserted in the buckle.
3. Connect ohmmeter on the pin side on pin B-7 and ground.
Display: infinity
4. Connect ohmmeter on the pin side on pins B-7 and B-8. Insert the belt tongue in the buckle.
Display: approx. 100 ohms
5. Inspect the wiring harness to the triggering unit for pinches and chafing damage.
Test Point 7
TEST POINT 7
Child Seat Detection
Fault Codes 70, 71, 72, 73
1. Disconnect the plug on the triggering unit.
2. Connect ohmmeter to plug, pin 23 and ground.
- Plug of child seat not inserted.
Display: approx. 2 kohms
- Plug of child seat inserted.
Display: approx. 260 ohms
3. Inspect the wiring harness to the triggering unit for pinches and chafing damage.
Test Point 8
TEST POINT 8
Control Module
Fault Code >= 100
Replace the triggering unit.