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RESTRAINT CONTROL SYSTEM 9J1–56 only run while the “AIR BAG” warning lamp is performing command is issued and the malfunction is still present, DTC 42 Driver Pretensioner Loop Resistance Low Step Action Yes No 1 Perform the “SRS Diagnostic System Check.” WAS THE “SRS Diagnostic System Check” performed? Go to Step 2 Go to the “SRS Diagnostic System Check” 2 1. When measurements are requested in this chart use 5–8840–0285–0 DVM with correct terminal adapter from 2. Use scan tool data list function, read and record the driver pretensioner loop resistance. Is driver pretensioner loop resistance less than 1.4 OHMS? Go to Step 3 Go to Chart A 3 1. Ignition switch “OFF.” connector located at the base of the driver seat is connected Is the 2–pin connector connected properly? Go to Step 4 Seat driver pretensioner assembly 2–pin connector properly Go to Step 7 4 1. Disconnect and inspect the driver pretensioner assembly yellow 2–pin connector located base of the driver seat. 2. If ok, reconnect the driver pretensioner assembly yellow 2–pin connector. 3. Ignition switch “ON.” Is DTC 42 current? Go to Step 5 Go to Step 7 5 1. Ignition switch “OFF.” connector located at the base of driver seat. 3. Connect SRS driver / passenger load tool 5–8840–2421–0 and appropriate adapter to driver pretensioner assembly 4. Ignition switch “ON.” Is DTC 42 current? Go to Step 6 Go to Step 7 6 1. Ignition switch “OFF.” driver pretensioner loop. 3. Use the high resolution ohmmeter mode of the DVM while checking IB13–BLU/RED and IB14–BLU/YEL, and SDM Was a fault found? Replace SRS harness or repair chassis harness Go to Step 7 Go to Chart A 7 1. Reconnect all components, ensure all component are properly mounted. 2. Clear diagnostic trouble codes. Was this step finished? Go to the “SRS Diagnostic System Check” Go to Step 7 |