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RESTRAINT CONTROL SYSTEM 9J1–24 Diagnostic Aids: An intermittent condition is likely to be caused by a poor IB06–YEL/BLK. The test for this diagnostic trouble code DTC 21 Driver Deployment Loop Resistance High Step Action Yes No 1 Perform the “SRS Diagnostic System Check”. Was the “SRS Diagnostic System Check” performed? Go to Step 2 Repeat 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 deployment loop resistance. Is driver resistance more than 3.7 ohms? Go to Step 3 Go to Chart A 3 1. Ignition switch “OFF.” at base of steering column is seated properly. Is the 2–pin connector connected properly? Go to Step 4 Seat SRS coil assembly 2–pin connector properly Go to Step 8 4 1. Disconnect and inspect the SRS coil assembly yellow 2–Pin connector located base of steering column. 2. If ok, reconnect the SRS coil assembly yellow 2–pin connector. 3. Ignition switch “ON.” Is DTC 21 current? Go to Step 5 Go to Step 8 5 1. Ignition switch “OFF.” 2–pin connector located at the base of steering column and 3. Connect SRS driver / passenger load tool 5–8840–2421–0 and appropriate adapter to SRS coil and passenger air bag 4. Ignition switch “ON.” Is DTC 21 current? Go to Step 6 Go to Step 7 6 1. Ignition switch “Off.” driver deployment loop. 3. Use the high resolution ohmmeter mode of the DVM while checking IB05–YEL and IB06–YEL/BLK, and SDM connector Was a fault found? Replace SRS harness Go to Step 8 Go to Chart A |