CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE
(a) Interview the customer and confirm the problem. Click here
(a) Check and record DTCs and Freeze Frame Data. for DTC Check / Clear: Click here for Freeze Frame Data: Click here (b) Clear the DTCs and Freeze Frame Data. for DTC Check / Clear: Click here for Freeze Frame Data: Click here (c) Reconfirm the DTCs. (1) Reconfirm the DTCs based on the recorded DTCs and Freeze Frame Data. for DTC Check / Clear: Click here for Freeze Frame Data: Click here HINT:
(a) Proceed to Diagnostic Trouble Code Chart. Click here
(a) Proceed to How to Proceed with Troubleshooting. Click here
(a) Proceed to Problem Symptoms Table. Click here
(a) Clear the DTCs. Click here (b) Check if the same DTCs are output. Click here
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Toyota Tundra Service Manual > Occupant Classification System: Sleep Operation Failure of Occupant Classification ECU (B1796)
DESCRIPTION During sleep mode, the occupant classification ECU monitors the condition of each sensor while the ignition switch is off. In this mode, if the occupant classification ECU detects an internal malfunction, DTC B1796 is set. DTC Code DTC Detection Condition Trouble Area B1796 Occupant clas ...