Learning tach signal

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daniel2002p

Silver - Posts: 524

Joined: October 10, 2003

Location: United States

Posted: November 28, 2004 at 3:19 PM / IP Logged

Hi everybody

I have a 2004 Toyota Tacoma 3.4 V6 and installed the Autopage RS855LCD on it. It works fine but when you RS it it shuts it down due to a "low tach signal". I have measured the tach wire used (lt.GREEN/ black at ignitor) and has about 1.5v AC when idle, and the alarm is telling me that it is too low. I have tried the injector and the tach behind the instrument cluster but they only have 0.5 when idle. Can anyone tell me how to resolve this problme?

2005 Toyota Corolla S

1.8L VVT-i I-4

Always double check your wires with a DMM!!!

Do Not Use A Test Light!!!

MECP Certified Installer!

Best Buy 665 - IN IT TO WIN IT! TEAM MOBLE!

daniel2002p

Silver - Posts: 524

Joined: October 10, 2003

Location: United States

Posted: November 28, 2004 at 10:39 PM / IP Logged

Also, it will only learn the tach when it is more than 1.6V

2005 Toyota Corolla S

1.8L VVT-i I-4

Always double check your wires with a DMM!!!

Do Not Use A Test Light!!!

MECP Certified Installer!

Best Buy 665 - IN IT TO WIN IT! TEAM MOBLE!

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Learning tach signal

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