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NG: REPLACE FRONT SEAT WIRE RH OK: Go to next step 5. CHECK FOR DTC a. Connect the connectors to the occupant classification ECU and the front occupant detection sensor LH. b. Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds. c. Turn the ignition switch ON, and wait for at least 60 seconds. d. Clear any DTCs stored in the memory (see DTC CHECK/CLEAR ). HINT: First clear DTCs stored in the occupant classification ECU and then in the center airbag Use the Techstream to clear the DTCs of the occupant classification ECU, otherwise the e. Turn the ignition switch OFF. f. Turn the ignition switch ON, and wait for at least 60 seconds. g. Using the Techstream, check for DTCs of the occupant classification ECU (see DTC CHECK/CLEAR ). OK: DTC B1780 is not output. HINT: DTCs other than DTC B1780 may be output at this time, but they are not related to this check. NG: Go to step 6 OK: USE SIMULATION METHOD TO CHECK (See DIAGNOSIS SYSTEM ) 6. REPLACE OCCUPANT CLASSIFICATION ECU a. Turn the ignition switch OFF. b. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds. c. Replace the occupant classification ECU. for Manual Seat (see FRONT SEAT ASSEMBLY (FOR FOLD DOWN SEAT TYPE) ) for Power Seat (see FRONT SEAT ASSEMBLY (FOR POWER SEAT) ) Y1-7 (SIG1) - Body ground Y1-11 (SVC1) - Body ground Y1-7 (SIG1) - Y1-11 (SVC1)
2009 Toyota Tundra 2009 RESTRAINTS Supplemental Restraint System - Tundra
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