DTC 1102: USB Diag

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

NOTE:

This navigation DTC sets when a problem is detected with the USB.
Check the vehicle battery condition first (see BATTERY TEST ).
Before you troubleshoot, make sure to follow the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).

Connect the USB device to the USB jack
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode
Go into the Self-Diagnosis mode, and use the USB Memory info (see UNIT CHECK (QUICK CHECK) ) to check the USB device status
Is the USB device information displayed?

YES -Intermittent failure, the system is OK at this time

NO -Go to step 4
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode
Disconnect the USB device, then reconnect it
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
Go into the Self-Diagnosis mode, and use the USB Memory info (see UNIT CHECK (QUICK CHECK) ) to check the USB device status.
Is the USB device information displayed?

YES -Intermittent failure, the system is OK at this time

NO -Go to step 8
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
Disconnect the USB device, then connect a known-good USB device to the USB jack.
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
Go into the Self-Diagnosis mode, and use the USB Memory info (see UNIT CHECK (QUICK CHECK) ) to check the USB device status.
Is the USB device information displayed?

YES -Original USB device is faulty

NO -Go to step 12
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
Make sure the USB device, the USB jack, and audio-navigation unit connector K (7P) are properly connected.
Are the connectors properly connected?

YES -Go to step 14

NO -Reconnect the connectors, and recheck
Disconnect the USB device
Disconnect audio-navigation unit connector K (7P)

Check for continuity between audio-navigation unit connector K (7P) and the USB jack according to the table

CONTINUITY REFERENCE CHART

	Audio-navigation unit connector	USB jack
USB VBUS	K1	1
USB DATA-	K2	2
USB DATA+	K3	3
USB GND	K4	4
USB SH	K5	5

Fig 1: Identifying Audio-Navigation Unit Connector K (7P)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 2: Identifying USB Jack

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Replace the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION )

NO -There is an open in the wire(s) between the audio-navigation unit and the USB jack Replace the affected shielded harness