Satellite Radio Tuner (Factory Installed) Right Channel Audio Signal Circuit Inspection

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HARNESS

Turn ignition switch OFF.
Disconnect satellite radio tuner (factory installed) connector B137 (A) and audio unit connector M109 (B).

Check continuity between satellite radio tuner (factory installed) and audio unit.

SATELLITE RADIO TUNER (FACTORY INSTALLED) AND AUDIO UNIT

Terminals				Continuity
Satellite radio tuner		Audio unit
Connector	Terminal	Connector	Terminal
A: B137	23	B: M109	43	Yes
A: B137	24	B: M109	44	Yes

Check continuity between satellite radio tuner (factory installed) and ground.

SATELLITE RADIO TUNER (FACTORY INSTALLED) AND GROUND

Terminals			Continuity
Satellite radio tuner		-
Connector	Terminal	-
A: B137	23	Ground	No
A: B137	24	Ground	No

Fig 1: Checking Continuity Between Satellite Radio Tuner And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 2.

NG: Repair harness or connector.

CHECK RIGHT CHANNEL AUDIO SIGNAL
1. Connect satellite radio tuner (factory installed) and audio unit.
2. Turn ignition switch ON.
3. Check signal between satellite radio tuner (factory installed) connector B137 terminals 23 and 24 with CONSULT-III or oscilloscope.
  23 - 24: Refer to "TERMINALS AND REFERENCE VALUE FOR SATELLITE RADIO TUNER ".
Fig 2: Checking Signal Between Satellite Radio Tuner Connector B137 Terminals 23 And 24
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Replace satellite radio tuner. Refer to "SATELLITE RADIO TUNER ".

NG: Replace audio unit. Refer to "AUDIO UNIT ".