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17.1 Emergency tensioning retractor (ETR)   >   23 Electrical test program - Testing

Test step Impulse readout Scope of test Test equipment/ test connection Test condition Nominal value Possible cause/remedy 1.0 Left emergency tensioning retractor (ETR) squib (R12/1) and right emergency tensioning retractor (ETR) squib (R12/2) with wiring 4 X11/7 1 Ignition: OFF 1.0-1.7 R12/1 and/or R12/2 not connected. Connector open circuit Connector, ETR/left seat plug connection (2-pole) (X28/8 and/or X28/9) has bad connection. Wiring. 2.0 Left emergency tensioning retractor (ETR) squib (R12/1) with wiring   1 N2/1   7 Ignition: OFF Disconnect connector from ETR control unit (N2/1). 2-5 Connector, ETR/left seat plug connection (2-pole) (X28/8) has a bad connection. Wiring, Replace seat belt tensioner (RA 91-502). 2.1 Left emergency tensioning retractor (ETR) squib (R12/1) with wiring 1 X28/8 2 Connector, ETR/left seat plug connection (2-pole) (X28/8) disconnected. 2-5 Wiring, Replace seat belt tensioner (RA 91-502). 3.0 Right front emergency tensioning retractor (ETR) squib (R12/2) with wiring   2 N2/1   8 Ignition: OFF Connector unplugged from ETR control unit (N2/1). 2-5 Connector, ETR/right seat plug connection (2-pole) (X28/9) has bad contact. Wiring, Replace seat belt tensioner (RA 91-502). 3.1 Right front emergency tensioning retractor (ETR) squib (R12/2) with wiring 1 X28/9 2 Connector, ETR/right seat plug connection (2-pole) (X28/9) unplugged. 2-5 Wiring, Replace seat belt tensioner (RA 91-502).