1989 Mazda 323 Throttle Position Sensor

Tiny
JRDARING
  • MEMBER
  • 1989 MAZDA 323
Electrical problem
1989 Mazda 323 4 cyl Front Wheel Drive Manual

Im not getting power to the throttle position sensor.I had the car running and it was ok then it wont true over again then I check the fuses not there so I let it sit then when out later ans it started about to time then it wont start so I check it getting fuel and the fuel inj are working so I check throttle position sensor and there is no power. Can u please help me out with this thanks jim
Tuesday, March 23rd, 2010 AT 5:54 PM

7 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check and test the blue and yellow wire back to the computer connector #2 pin C
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Tuesday, March 23rd, 2010 AT 6:02 PM
Tiny
JRDARING
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I check the blue and yellow on computer and I got nothing were do I go now. Thinks
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Tuesday, March 23rd, 2010 AT 6:58 PM
Tiny
RASMATAZ
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The computer when southbound on you -it suppose to give the reference voltage to the TPS
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Tuesday, March 23rd, 2010 AT 10:36 PM
Tiny
JRDARING
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Are u saying I need to replace the computer for it and do u know were I can find one at are is there a way to bypass it thanks for all ur help
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Wednesday, March 24th, 2010 AT 7:36 AM
Tiny
RASMATAZ
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Check the same color wire at the airflow meter for power if it has by pass it from there they share the power circuit-
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Wednesday, March 24th, 2010 AT 2:15 PM
Tiny
JRDARING
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I aready check it there the blue and yellow wire dose not have power there either but there is a green and white wire that has power there and its 12 v. Thank
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Wednesday, March 24th, 2010 AT 2:38 PM
Tiny
JRDARING
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I believe its the air mass sensor has going bad is there a way to bypass it. Well thank u for all Ur help it help me out a lot.
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Thursday, March 25th, 2010 AT 10:40 AM

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