SYSTEM DIAGRAM 1. SECONDARY AIR INJECTION CONTROL SYSTEM DIAGRAM  2. SECONDARY AIR INJECTION SYSTEM WIRING DIAGRAM 
 3. EGR CONTROL SYSTEM DIAGRAM  4. EGR CONTROL SYSTEM WIRING DIAGRAM 
 5. EVAP CONTROL SYSTEM DIAGRAM  Text in Illustration
6. EVAP CONTROL SYSTEM WIRING DIAGRAM  |
Toyota Tundra Service Manual > Occupant Classification System: Open in Occupant Classification ECU Battery Positive Line (B1794)
DESCRIPTION DTC B1794 is set when a malfunction is detected in the occupant classification ECU. DTC Code DTC Detection Condition Trouble Area B1794 One of following conditions is met: Occupant classification ECU circuit malfunction Occupant classification ECU malfunction Occupant classification ECU ...
