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Home >> Infiniti >> 2015 >> Q50 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator (Exc Hybrid) >> System Description >> Diagnosis System (Combination Meter) >> On Board Diagnosis Function >> Starting Combination Meter Self-Diagnosis Mode >> How To Initiate Self-Diagnosis Mode

How To Initiate Self-Diagnosis Mode

  1. Turn ignition switch OFF.
  2. While pressing the trip reset switch, turn ignition switch ON.
    Fig 1: Identifying Trip Reset Switch
    G09161365Courtesy of NISSAN NORTH AMERICA, INC.
  3. Keep the trip reset switch for 1 seconds or more.
  4. Press the trip reset switch at least 3 times. (Within 7 seconds after the ignition switch is turned ON.)
  5. "Work instruction code" is indicated in the top portion of information display and self - diagnosis is started.
  6. The mode switches in the order shown below each time the trip reset switch is pressed.
NOTE:

If the trip reset switch is not operated for 20 seconds or more, the self - diagnosis mode is automatically cancelled.

Test order Test item Description
1 Work instruction code This item is displayed, but not used.
2 Part number
3 Software code
4 EEPROM code
5 Hardware code
6 P.C.B code
7 Circuit check The pointer of the following items moves from 0 to MAX twice.
  • Speedometer
  • Tachometer
  • Engine coolant temperature gauge
  • Fuel gauge
NOTE:

If any one of the pointers does not sweep, replace combination meter.
8 Color check* 1 Performs the color check of the information display.
9 error code* 2 Displays the error code of the following items.
  • Speedometer
  • Tachometer
  • Engine coolant temperature gauge
  • Fuel gauge
  • Meter control switch
10 Warning/indicator lamp check All warning/indicator lamp illuminate.
NOTE:
  • When either one of them does not turn ON, replace combination meter.
  • SRS air bag warning lamp and security indicator lamp are not illuminate.
NOTE:

When the trip reset switch is pressed during the indication of Test order "10," test item returns to Test order "2."

* 1: Color Check

Fig 2: View Of Color Check Test Screen
GNSJSNIA5944ZZ-944Courtesy of NISSAN NORTH AMERICA, INC.
  Blue   Red   Pink
  Green   Light blue   Yellow
  White   White   Black
  Light blue   Black   Pink
  Black   Blue   Black
  Dark blue   White   Blue

* 2: Error Code

Fig 3: View Of Error Code Screen
GNSJSNIA5945ZZ-945Courtesy of NISSAN NORTH AMERICA, INC.
Item Code Description Action to take/Reference
  Speedometer 0 Normal -
1 A vehicle speed signal cannot be received from ABS actuator and electric unit (control unit). Perform "Self Diagnostic Result" of "ABS."
Refer to DTC INDEX .
2 A vehicle speed signal received from the ABS actuator and electric unit (control unit) is abnormal.
  Tachometer 0 Normal -
1 An engine speed signal cannot be received from ECM. Perform "Self Diagnostic Result" of "ECM."
Refer to DTC INDEX .
  Fuel gauge 0 Normal -
1 Fuel gauge circuit is short. Refer to COMPONENT FUNCTION CHECK .
2 Fuel gauge circuit is open.
  Engine coolant temperature gauge 0 Normal -
1 An engine coolant temperature signal cannot be received from ECM. Perform "Self Diagnostic Result" of "ECM."
Refer to DTC INDEX .
  Meter control switch 0 Normal -
1 When judging that the illumination control switch signal circuit is short - circuited for 5 minutes or more. Refer to COMPONENT FUNCTION CHECK .
2 When judging that the trip reset switch signal circuit is short - circuited for 5 minutes or more.
3 When judging that the both switch signal circuit is short - circuited for 5 minutes or more.
  - 0 Displays "0" constantly. -
  - 0 Displays "0" constantly. -
  - 0 Displays "0" constantly. -
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