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AFHT_N Circuit Inspection

NOTICE: 

Before disconnecting the PCM connector, jump the SCS line with the HDS, and wait more than 1 minute.

Test Procedure 

(Disconnected) A/F sensor (Sensor 1) connector (6P) female terminals

(Disconnected) PCM connector E (80P) - Refer to: PCM Connector for Inputs and Outputs (1.5L Engine) or PCM Connector for Inputs and Outputs (2.0L Engine) (2024 2025) female terminals

IG Mode

GHH653128Courtesy of HONDA, U.S.A., INC.
GHH653129Courtesy of HONDA, U.S.A., INC.

Normal Conditions

AFHT_N open wire inspection 

OFF

There is less than 1 Ohm 

Refer to the Open/Shorted Wire Inspection Description for the method to inspect the shorted circuit below, then start to inspect according to circumstances.

AFHT_N shorted to ground inspection 

OFF

There is more than 1 MOhm 

Results