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Home >> Acura >> 2022 >> MDX Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Keyless Access Control Unit DTC Diagnostics >> Troubleshooting >> DTC Troubleshooting: B1663 >> EXT_M+, EXT_M- Shorted Wire Inspection

EXT_M+, EXT_M- Shorted Wire Inspection

Test Procedure 

(Disconnected)Body control module connector C (66P) female terminals

IG Mode

GHH664158Courtesy of HONDA, U.S.A., INC.

Normal Conditions

EXT_M+, EXT_M- shorted wire to wire inspection 

OFF

There is more than 1 MOhm 

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

EXT_M+ shorted to ground inspection 

OFF

Not shorted 

EXT_M- shorted to ground inspection 

OFF

Not shorted 

Results