Operation CHARM: Car repair manuals for everyone.

Test Point 7



Fault, Fault Codes 70,71,72,73 Test point 7

Child seat detection

Possible causes, elimination, notes
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.