Test Program/Checking System with Tester

For testing of Belt Tensioner on vehicles WITHOUT airbag, Testing and Inspection

Test Program:
If the warning lamp (A1e15) for the restraint system in the instrument cluster fails to light up when the ignition key is turned to position 1 or 2 (ignition), proceed as follows.













If, after turning the ignition key to position "1", the warning lamp lights up but fails to go out again within 10 s or approx. 4 s in vehicles with airbag 1/3, or flickers intermittently during driving, proceed as follows..

Checking Air Bag and Belt Tensioner System:









































Test Instructions for Tester 126 589 10 21 00 (revised)
Before testing with the tester, the airbag restraint system must be tested by means of the RS/SRS warning lamp (A1e15). With the ignition switched on, the RS/SRS warning lamp should light up for approx. 10 s, or approx. 4 s in vehicles with airbag 1/3. If necessary, check warning lamp or cable.

WARNING: Each time before disconnecting the red test coupling/plug connection for airbag, 10-pin (X29/9), to connect the tester, the ignition key must be turned to position "0", the negative terminal of the battery disconnected and covered. Then reconnect the battery for the test.

Steps 1-3:

Steps 4-10: