DTC 61, 63, 65, 67: Initiator Circuit Open

WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

Turn the ignition switch to ON (II).
Clear the DTC with the HDS.
Turn the ignition switch to LOCK (0), then turn it to ON (II) again.
Check for DTCs with the HDS, and note the indicated DTC(s).
Is DTC 61, 63, 65, or 67 indicated?

YES -Go to step 5.

NO -The system is OK at this time.
Turn the ignition switch to LOCK (0).

Disconnect the appropriate initiator 3P connector.

DTC	Initiator Location
61	Right-Front
63	Left-Front
65	Right-Rear
67	Left-Rear

Disconnect the TPMS control unit 20P connector (see TPMS CONTROL UNIT REPLACEMENT ).

Check for continuity between TPMS control unit 20P connector terminal No. 20 and appropriate initiator 3P connector terminal No. 1.

DTC	Initiator Location
61	Right-Front
63	Left-Front
65	Right-Rear
67	Left-Rear

Fig 1: Checking Continuity Between TPMS Control Unit 20P Connector Terminal No. 20 And Initiator 3P Connector Terminal No. 1

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Go to step 9.

NO -Repair an open in the wire between the TPMS control unit and the appropriate initiator.

Check for continuity between TPMS control unit 20P connector terminal No. 15 and appropriate initiator 3P connector terminal No. 3.

DTC	Initiator Location
61	Right-Front
63	Left-Front
65	Right-Rear
67	Left-Rear

Fig 2: Checking Continuity Between TPMS Control Unit 20P Connector Terminal No. 15 And Initiator 3P Connector Terminal No. 3

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Go to step 10.

NO -Repair an open in the wire between the TPMS control unit and the appropriate initiator.

Check for continuity between the appropriate TPMS control unit 20P connector terminal and appropriate initiator 3P connector terminal No. 2 (see table).

DTC	TPMS Control Unit Terminal	Initiator Location
61	No. 6	Right-Front
63	No. 5	Left-Front
65	No. 17	Right-Rear
67	No. 16	Left-Rear

Fig 3: Checking Continuity Between TPMS Control Unit 20P Connector Terminal And Initiator 3P Connector Terminal No. 2

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Go to step 11.

NO -Repair an open in the wire between the TPMS control unit and the appropriate initiator.

Check for the noted DTC(s) in step 4.
Were DTC 61, 63, 65, or 67 indicated at the same time?

YES -Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit (see TPMS CONTROL UNIT REPLACEMENT ), and recheck.

NO -Go to step 12.

Swap a known-good initiator with the initiator indicated by the DTC (see INITIATOR REPLACEMENT ).

DTC	Initiator Location
61	Right-Front
63	Left-Front
65	Right-Rear
67	Left-Rear

Reconnect all connectors.
Turn the ignition switch to ON (II).
Clear the DTC with the HDS.
Turn the ignition switch to LOCK (0), then turn it to ON (II) again.

Check for DTCs with the HDS, and compare the indicated DTC with the noted DTC(s) in step 4.

DTC	Initiator Location
61	Right-Front
63	Left-Front
65	Right-Rear
67	Left-Rear

Does the indicated DTC change between the initiators that were replaced in step 12 ?

YES -Replace the appropriate initiator (see INITIATOR REPLACEMENT ).

NO -Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit (see TPMS CONTROL UNIT REPLACEMENT ), and recheck.