Turn Signal And Hazard Warning System: Inspection

WARNING: This page is about a different car, the 2002 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.

Inspect turn signal switch continuity :

Fig 1: Identifying Turn Signal Switch Positions & Terminals
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Fig 2: Turn Signal Switch Specifications
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If continuity is not as specified, replace the switch.
Inspect turn signal flasher operation :
Disconnect the connector from the turn signal flasher and inspect the connector on the wire harness side, as shown.

Fig 3: Identifying Turn Signal & Hazard Warning Switch Terminals (Wire Harness Side)
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Fig 4: Turn Signal & Hazard Warning Switch Terminal Specifications
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Inspect hazard warning switch continuity :
1. Remove the center cluster finish panel.
2. Disconnect the connector from the center cluster integration.
3. Check that continuity exists between terminal 3 and terminal 10 with the switch ON.
4. Check that no continuity exists between terminal 3 and terminal 10 with the switch OFF.
  If continuity is not as specified, replace the switch.
  
  Fig 5: Testing Hazard Warning Switch
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002