Compass Display "- - -"

CHECK FAIL-SAFE MODE
Check that fail-safe mode is not activated. Refer to FAIL-SAFE SYSTEM .

Does be activated Fail-safe mode?
1. YES: GO TO 3 .
2. NO: GO TO 2.
CHECK DISPLAY AND A/C AUTO AMP. SELF-DIAGNOSIS
Check display and A/C auto amp. self-diagnosis. Refer to FUNCTION CONFIRMATION PROCEDURE .

Does display and A/C auto amp. segments all displayed?
1. YES: INSPECTION END
2. NO: Replace display and A/C auto amp.
CHECK POWER AND GROUND CIRCUIT
Check power and ground circuit. Refer to POWER SUPPLY AND GROUND CIRCUIT CHECK FOR COMPASS .

OK or NG
1. OK: GO TO 4.
2. NG: Repair power and ground circuit.
CHECK COMPASS CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect compass connector and display and A/C auto amp. connector.
3. Check continuity between compass harness connector M81 terminal 2 (L) and display and A/C auto amp. harness connector M31 terminal 6 (L).
  Continuity should exist.
  
  Fig 1: Checking Continuity Between Compass Harness Connector M81 Terminal 2 (L), Display And A/C Auto Amp. Harness Connector M31 Terminal 6 (L)
  Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check continuity between compass harness connector M81 terminal 3 (R) and display and A/C auto amp. harness connector M31 terminal 7 (R).
  Continuity should exist.
  
  Fig 2: Checking Continuity Between Compass Harness Connector M81 Terminal 3 (R) And Display And A/C Auto Amp. Harness Connector M31 Terminal 7 (R)
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 5.
2. NG: Repair harness or connector.
CHECK COMPASS SIGNAL
1. Connect compass connector and display and A/C auto amp. connector.
2. Turn ignition switch ON.
3. Check the signal between compass harness connector M81 terminal 2 (L) and ground with CONSULT-ll or oscilloscope.
  
  Fig 3: Compass Signal Graph
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 4: Checking Signal Between Compass Harness Connector M81 Terminal 2 (L) And Ground With CONSULT-ll Or Oscilloscope
  Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check the signal between compass harness connector M81 terminal 3 (R) and ground with CONSULT-ll or oscilloscope.
  
  Fig 5: Compass Signal Graph
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 6: Checking Signal Between Compass Harness Connector M81 Terminal 3 (R) And Ground With CONSULT-ll Or Oscilloscope
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace display and A/C auto amp.
2. NG: Replace compass.