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9J1–42 RESTRAINT CONTROL SYSTEM DTC 25 Driver Deployment Loop Short To Ignition CAUTION: When Diagnostic Trouble Code (DTC) 25 no longer present, DTC 71 will remain current. Step Action Yes No 1 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 5– 2. Ignition switch “OFF." 3. Connect scan tool data link connector. Follow directions as given in the scan tool operator's manual. 4. Ignition switch “ON." 5. Read driver sense LO. Is driver sense LO more than 3.5 volts? Go to Step 3 Go to Chart A. 3 1. Ignition switch “OFF." 2. Disconnect SRS coil assembly yellow 2–pin connector at the base of the steering column. Leave passenger air bag 3. Ignition switch “ON." Is driver sense LO more than 3.5 volts? Go to Step 4 Go to Step 6 4 1. Ignition switch “OFF." 2. Disconnect SDM. 3. Disconnect SRS drive / passenger load tool. 4. Measure resistance on SDM harness connector from terminal “3" to terminal “12" (Ignition 1). Does DVM display “0L" (infinite)? Go to Step 5 Replace SRS harness. Go to Step 7 5 Measure resistance on SDM harness connector from terminal “4" Go to Chart A. Replace SRS harness. Go to Step 7 6 1. Ignition switch “OFF." 2. Connect SRS driver / passenger load tool 5–8840–2421–0 and appropriate adapter 5–8840–0385–0 to driver air bag 3. Reconnect SRS coil assembly harness connector as the base of steering column. 4. Ignition switch “ON." Is driver sense LO more than 3.5 volts? Ignition switch “OFF." Replace SRS coil assembly. Go to Step 7 Ignition switch “OFF." Replace driver air bag assembly. Go to Step 7 7 1. Reconnect all components, ensure all components are properly mounted. 2. Ignition switch “ON." Is passenger sense LO less than 3.5 volts? Replace SDM. Go to Step 8 Go to Chart A. |