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 MANUALSTOYOTA2004CELICA GT, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 159 (POWER MIRROR CONTROL SYSTEM)COMPONENT TESTSPOWER MIRROR POSITION MEMORY SENSORS
2004 Toyota Celica GT, Standard
Power Mirror Position Memory Sensors
2004 Toyota Celica GT, StandardSECTION Power Mirror Position Memory Sensors
WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
- Turn ignition off. Disconnect power mirror motor 10-pin electrical harness connector. Strip off vinyl tape from mirror side of connector and remove wire terminals No. 2, 3, 6, 7 and 9 from connector housing. Connect three 1.5-volt dry cell batteries in series. See Fig 1.
- Using jumper wires, connect positive lead of dry cell batteries to mirror terminal No. 7 and negative lead of dry cell batteries to mirror terminal No. 6. Connect DVOM positive lead to mirror terminal No. 9 and negative lead to mirror terminal No. 6. See Fig 1.
- Using jumper wires, connect positive battery voltage to power mirror terminal No. 2 and connect negative battery voltage to power mirror terminal No. 3. See Fig 1. Monitor DVOM to ensure voltage changes gradually from mirror uppermost position of 0-1.8 volts to mirror lowermost position of 2.8-5.0 volts. If voltage is not as specified, replace power mirror assembly.
- Disconnect vehicle battery and DVOM leads. Leave dry cell battery leads connected to mirror terminals No. 6 and 7. Connect DVOM positive lead to mirror terminal No. 8 and negative lead to mirror terminal No. 6.
- Using jumper wires, connect positive battery voltage to power mirror terminal No. 2 and connect negative battery voltage to power mirror terminal No. 1. See Fig 1. Monitor DVOM to ensure voltage changes gradually from mirror left-most to right-most position. Reverse battery voltage jumper wires on terminals No. 1 and 2 and ensure voltage changes gradually from mirror right-most to left-most position.
- With mirror voltage applied in left position, voltage should gradually change from right-most position of 0-1.8 volts to 2.8-5.0 volts in left-most position. With mirror voltage applied in right position, voltage should gradually change from left-most position of 0-1.8 volts to 2.8-5.0 volts in right-most position. If voltage is not as specified, replace power mirror assembly.
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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.