Reverse Camera/Sensor Failure Detail:

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Reverse Camera/Sensor Failure Detail:

Reverse camera may flicker, go blank, o r lose image in rough/wet conditions. Is this caused by wiring, poor seals, o r module faults? How should buyers test it and maintain the system?

Talha Kyanii asked on 01 Nov 2025 14:34:38 pm

1 Answer

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Gari Master - on 01 Nov 2025 14:37:47 pm

The issue where the engine‑cooling fan either fails to turn on when needed o r runs unnecessarily can stem from:

A faulty temperature sensor engine coolant temp sensor o r fan trigger sensor whose reading either doesn’t reach the ECU o r is inaccurate.

Poor electrical connection, corrosion o r damage in the connector o r wiring to the sensor/fan module – frequent in hot, humid o r dusty conditions.

The fan relay o r control module itself may be lower grade, sensitive to heat o r voltage variation, leading to failure o r erratic operation.

The cooling system being clogged, under‑maintained o r having poor airflow—increasing stress on the sensor/fan system.
Risks:

Overheating: if fan doesn’t engage, engine may overheat, shortening lifespan o r causing breakdowns.

Battery/alternator strain: if fan runs constantly, it draws power, reducing efficiency.

AC performance: improper fan operation can degrade the air‑conditioning’s cooling effectiveness.
What to do:

On inspection: run the engine until it reaches operating temperature and check whether the fan kicks in at the appropriate coolant temperature. Also check after heavy load o r long drive.

Inspect sensor wiring and connector for signs of heat damage, corrosion, looseness.

If faulty, replace the temperature/trigger sensor, test the fan relay and control module, clean radiator/fan blades, ensure sufficient airflow and coolant level.

Maintain cooling system: coolant change, flush radiator, check hoses and airflow to reduce stress on fan system.