Steering Switch Check (With Bluetooth and Without NAVI)

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.

AUDIO UNIT SELF-DIAGNOSIS MODE CHECK
1. Start audio unit self-diagnosis mode. Refer to "SELF-DIAGNOSIS MODE ".
2. Operate steering switch.
Does steering switch operate normally?

YES: Inspection End.

NO: GO TO 2.

CHECK HARNESS

Turn ignition switch OFF.
Disconnect bluetooth control unit connector and spiral cable connector M30.

Check continuity between bluetooth control unit (A) connector B41 terminals 12, 14, and 13 and spiral cable (B) connector M30 terminals 24, 31, and 32.

BLUETOOTH CONTROL UNIT (A) CONNECTOR B41 TERMINALS 12, 14, AND 13 AND SPIRAL CABLE (B) CONNECTOR M30 TERMINALS 24, 31, AND 32

Terminals				Continuity
A		B
Connector	Terminal	Connector	Terminal
B41	12	M30	24	Yes
	13		32
	14		31

Fig 1: Checking Continuity Between Bluetooth Control Unit And Ground

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

Check continuity between bluetooth control unit and ground.

BLUETOOTH CONTROL UNIT AND GROUND

Terminals			Continuity
(+)		(-)
Connector	Terminal	(-)
B41	12	Ground	No
	13
	14

OK or NG

OK: GO TO 3.

NG: Repair harness.

CHECK HARNESS

Disconnect audio unit connector.

Check continuity between audio unit (A) connector M51 terminals 6, 15, and 16 and bluetooth control unit (B) connector B41 terminals 17,19, and 18.

AUDIO UNIT (A) CONNECTOR M51 TERMINALS 6, 15, AND 16 AND BLUETOOTH CONTROL UNIT (B) CONNECTOR B41 TERMINALS 17,19, AND 18

Terminals				Continuity
(A)		(B)
Connector	Terminal	Connector	Terminal
M51	6	B41	17	Yes
	15		19
	16		18

Fig 2: Checking Continuity Between Audio Unit Connector M43 Terminals 6, 15, And 16 And Bluetooth Control Unit Connector B121 Terminals 17, 19

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

OK or NG

OK: GO TO 4.

NG: Repair harness.

SPIRAL CABLE CHECK
1. Disconnect spiral cable connector M102.
2. Check continuity between spiral cable terminals.
  16 - 32: Continuity should exist.
  
  17 - 31: Continuity should exist.
  
  20 - 24: Continuity should exist.
Fig 3: Checking Continuity Between Spiral Cable Terminals
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 5.

NG : Replace spiral cable. Refer to "SPIRAL CABLE ".

CHECK STEERING SWITCH RESISTANCE

Check resistance between spiral cable connector M102 terminals.

STEERING SWITCH RESISTANCE

Terminal		Signal name	Condition	Resistance (Ω) (Approx.)
16	17	Seek (down)	Depress (station) down switch.	165
		Power (Phone/Send)	Depress power switch.	0
		Volume (down)	Depress volume down switch.	487
20	17	Seek (up)	Depress (station) up switch.	165
		Mode (Phone/End)	Depress mode switch.	0
		Volume (up)	Depress volume up switch.	487

Fig 4: Checking Resistance Between Spiral Cable Connector M102 Terminals

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

OK or NG

OK: Inspection End.

NG: Replace steering switch. Refer to "STEERING WHEEL AUDIO CONTROL SWITCHES ".