Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA1999CELICA 2D CONVERTIBLE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTHEATED GLASS/DEFOGGERSREAR WINDOW DEFOGGER & MIRROR DEFOGGERCOMPONENT TESTSDEFOGGER RELAYEXCEPT 2000 AVALON
1999 Toyota Celica 2D Convertible, Standard
Except 2000 Avalon
1999 Toyota Celica 2D Convertible, StandardSECTION Except 2000 Avalon
NOTE:
Testing for Land Cruiser mirror heater relay is the same as testing for defogger relay.
- Using an ohmmeter, ensure continuity exists between terminals No. 1 and 2. See Fig 1 or Fig 2 . Continuity should not exist between terminals No. 3 and 5. If continuity is not as specified, replace relay.
- Connect battery positive lead to terminal No. 1 and battery negative lead to terminal No. 2. Continuity should exist between terminals No. 3 and 5. If operation is not as specified, replace relay.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.