DTC B12D1: Inspection

IG1-B_SIG, IG1_COIL+ Circuit Inspection 

Test Procedure 

• Preparation
• 1. -

     Under-dash fuse/relay box connector H (20P): disconnected

  2. -

     Body control module connector F (36P): disconnected

  3. -

     Body control module connector G (32P): disconnected

• Procedure
• 1. -

     Perform the inspection according to the following table.

			(Disconnected) Under-dash fuse/relay box connector H (20P) female terminals	(Disconnected)Body control module connector G (32P) female terminals
		IG Mode	Courtesy of HONDA, U.S.A., INC.	Courtesy of HONDA, U.S.A., INC.	Normal Conditions
	IG1-B_SIG open wire inspection	OFF			There is less than 1 Ohm
	NOTE: Refer to the Open/Shorted Wire Inspection Description for the method to inspect the shorted circuit below, then start to inspect according to circumstances.
	IG1-B_SIG shorted to ground inspection	OFF			Not shorted

			(Disconnected) Under-dash fuse/relay box connector H (20P) female terminals	(Disconnected)Body control module connector F (36P) female terminals
		IG Mode	Courtesy of HONDA, U.S.A., INC.	Courtesy of HONDA, U.S.A., INC.	Normal Conditions
	IG1_COIL+ open wire inspection	OFF			There is less than 1 Ohm

Results 

• If abnormal, there is a problem in the circuit.
• If it is normal, there is a problem with the under-dash fuse/relay box.