DTC 1306: Vehicle Speed Pulse

WARNING: This page is about a different car, the 2011 Honda Pilot, 2010 Honda Pilot, and 2009 Honda Pilot. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Check the vehicle battery condition first.
This navigation DTC sets when there is a problem with the VSP circuit.
Check any official Honda service website for more service information about the navigation system.
Before you troubleshoot, make sure to follow GENERAL TROUBLESHOOTING INFORMATION .
This navigation DTC may be caused by electrical interference. Check for aftermarket devices installed in the vehicle.

Check the MIL on the gauge control module DTC TROUBLESHOOTING .
Is the MIL on?

YES - Go to the DTC TROUBLESHOOTING

NO - Go to step 2.
Clear the hard error code (see HOW TO CLEAR ERROR HISTORY ).
Turn the ignition switch to LOCK (0), then start the engine.
Check for the hard error code (see HOW TO CHECK ERROR HISTORY ).
Is DTC 1306 indicated?

YES - Go to step 7.

NO - Intermittent failure, the system is OK at this time. ■
Go into the Diagnostic Menu, and use the Car Status test to check the VSP signal.
With the help of an assistant drive the vehicle and watch the VSP signal.
Drive the vehicle and watch the VSP signal.
Does the VSP signal change from [0] to [1] as you drive?

YES - Replace the navigation unit (see NAVIGATION UNIT REMOVAL/INSTALLATION ). ■

NO - Go to step 8.
Turn the ignition switch to LOCK (0).
Jump the SCS line with the HDS.
Disconnect navigation unit connector A (8P) and PCM connector A (49P).
Check for continuity between navigation unit connector A (8P) terminal No. 7 and body ground.

Fig 1: Check For Continuity Between Navigation Unit Connector A (8P) Terminal No. 7 And Body Ground.
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES - Repair a short to body ground in the wire between the navigation unit and the PCM.

NO - Go to step 12.
Check for continuity between navigation unit connector A (8P) terminal No. 7 and PCM connector A (49P) terminal No. 30.

Fig 2: Update the PCM if it does not have the latest software, or substitute a known-good PCM, and recheck. If the symptom/indication goes away, replace the original PCM.
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES - Update the PCM PCM UPDATE if it does not have the latest software, or substitute a known-good PCM SUBSTITUTING THE PCM , and recheck. If the symptom/indication goes away, replace the original PCM PCM REPLACEMENT .

NO - Repair an open in the wire between the navigation unit and the PCM.