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Hazard Warning Switch

  1. Ensure HAZARD and TURN fuses are good. Ensure flasher is good. For turn signal flasher testing, see STEERING COLUMN SWITCHES article. For turn signal flasher location, see TURN SIGNAL FLASHER LOCATION  table. With hazard warning switch removed from instrument panel, ensure battery voltage exists at switch wiring harness connector terminals No. 1 (ECHO), No. 8 and 10 (Camry, Camry Solara and MR2), or terminals No. 6 and 7 (Avalon, Celica and Corolla). See Fig 1-Fig 3 . If battery voltage does not exist, check/repair fuses and wiring harness circuits. See WIRING DIAGRAMS . If battery voltage exists, go to next step.
  2. Using DVOM, ensure switch continuity exists between indicated terminals with switch in specified position. See HAZARD WARNING SWITCH CONTINUITY  table. If continuity is not as specified, replace switch. If continuity is as specified, check wiring circuits. See WIRING DIAGRAMS .
TURN SIGNAL FLASHER LOCATION

Model Location
Avalon Above Left Kick Panel
Camry, Camry Solara, Celica, Corolla & Prius Behind Left Kick Panel
ECHO In Instrument Panel Fuse/Relay Block
MR2 Behind Left Side Of Instrument Cluster
Fig 1: Identifying Hazard Warning Switch Terminals (Except ECHO & Prius)
G93I02705Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Identifying Hazard Warning Switch Terminals (ECHO)
G00024200Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Identifying Hazard Warning Switch Terminals (Prius)
G00052988Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
HAZARD WARNING SWITCH CONTINUITY

Switch Position Terminals No. Continuity
Avalon (1)
Off 5 & 7 Yes
On 1, 2, 3 & 4, 5 & 6 Yes
Camry (1)
Off 7 & 10 Yes
On 5, 6 & 9; 7 & 8 Yes
Camry Solara (1)
Off 7 & 10 Yes
On 4, 5, 6 & 9; 7 & 8 Yes
Celica (1)
Off 5 & 7 Yes
On 1, 2 & 4, 5 & 6 Yes
Corolla (2)
Off 5 & 7 Yes
On 1, 2, 3 & 4; 5 & 6 Yes
ECHO
Off N/A No
On 1 & 2 Yes
MR2 (1)
Off 7 & 10 Yes
On 4, 5, 6 & 9; 7 & 8 Yes
Prius (3)
Off 3 & 4 No
On 3 & 4 Yes
(1) Continuity should exist between terminals No. 2 and 3. Terminals are for switch illumination bulb.
(2) Continuity should exist between terminals No. 8 and 9. Terminals are for switch illumination bulb.
(3) Continuity should exist between terminals No. 2 and 5. Terminals are for switch illumination bulb.