Yaris / Echo sedan 1SZ-fe 1.0 L cooling fan trigger at high temperature - Toyota Yaris Forums

Asadeng · 08-24-2022, 09:34 AM

Dear all,

I have issue with my yaris installed with 1sz-fe engine. the issue is very strange . the cooling fan turned on at 206F or 97C while according to manual it should be at 200F or 93C. i have changed cooling temperature sensor. two wires. its mean the fan on and off controlling by ECU not from sensor. i have completed radiator service. have no issue with overheating problem but fan trigger on temperature should be less as per manual 93C. on AC switching on fan keep runs on

kindly help me to out for this issue.

08-24-2022, 09:34 AM	#1
Asadeng Drives: Yaris 1999 1.0L Join Date: Aug 2022 Location: Pakistan Posts: 2	Yaris / Echo sedan 1SZ-fe 1.0 L cooling fan trigger at high temperature Dear all, I have issue with my yaris installed with 1sz-fe engine. the issue is very strange . the cooling fan turned on at 206F or 97C while according to manual it should be at 200F or 93C. i have changed cooling temperature sensor. two wires. its mean the fan on and off controlling by ECU not from sensor. i have completed radiator service. have no issue with overheating problem but fan trigger on temperature should be less as per manual 93C. on AC switching on fan keep runs on kindly help me to out for this issue.

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