Diagnostic Procedure

CHECK SNOW MODE SWITCH OVERALL FUNCTION-I

Turn ignition switch ON.
Select "SNOW MODE SW" in "DATA MONITOR" mode with CONSULT-II.
Check "SNOW MODE SW" indication under the following conditions.

ITEM CONDITION CHART

Condition	INDICATION
Snow mode switch: ON	ON
Snow mode switch: OFF	OFF

Fig 1: Generic Scan Tool - Data Monitor

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

OK or NG

OK: GO TO 2.

NG: GO TO 3.

CHECK SNOW MODE SWITCH OVERALL FUNCTION-II

Start engine.
Check the snow mode indicator in the combination meter under the following condition.

CONDITION CHART

Condition	INDICATION
Snow mode switch: ON	ON
Snow mode switch: OFF	OFF

OK or NG

OK: INSPECTION END

NG: GO TO 3.

CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten three ground screws on the body.
  Refer to "GROUND INSPECTION ".
  
  Fig 2: Identifying Multi-Remote Control Unit And Steering Member
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK: GO TO 4.

NG: Repair or replace ground connections.

CHECK POWER SUPPLY CIRCUIT-I

Disconnect combination meter harness connector.
Turn ignition switch ON.
Check voltage between combination meter terminal 25 and ground under the following conditions with CONSULT-II or tester.

VOLTAGE SPECIFICATION

Condition	VOLTAGE
Snow mode switch: ON	Battery voltage
Snow mode switch: OFF	0V

Fig 3: Checking Voltage Between Combination Meter Terminal 25 And Ground

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

OK or NG

OK: GO TO 8.

NG: GO TO 5.

CHECK POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect snow mode switch.
3. Turn ignition switch ON.
4. Check voltage between snow mode switch terminal 2 and ground with CONSULT-II or tester.
  Voltage: Battery voltage.
Fig 4: Checking Voltage Between Snow Mode Switch Terminal 2 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 7.

NG: GO TO 6.
DETECT MALFUNCTIONING PART
Check the following.
- 10A fuse
- Fuse block (J/B) M1
- Harness for open or short between snow mode switch and fuse.
  Repair open circuit or short to ground or short to power in harness or connectors.
CHECK SNOW MODE SWITCH OUT PUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check harness continuity between snow mode switch terminal 1 and combination meter terminal 25.
  Refer to WIRING DIAGRAM .
  
  Continuity should exist.
3. Also check harness for short to ground and short to power.
OK or NG

OK: GO TO 8.

NG: Repair open circuit or short to ground or short to power in harness or connectors.
CHECK SNOW MODE INDICATOR LAMP INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect snow mode switch harness connector.
3. Check harness continuity between snow mode switch terminal 4 and combination meter terminal 25.
  Refer to WIRING DIAGRAM .
  
  Continuity should exist.
4. Also check harness for short to ground and short to power.
OK or NG

OK: GO TO 9.

NG: Repair open circuit or short to ground or short to power in harness or connectors.
CHECK SNOW MODE INDICATOR LAMP GROUND CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between snow mode switch terminal 3 and ground.
  Refer to WIRING DIAGRAM .
  
  Continuity should exist.
2. Also check harness for short to power.
OK or NG

OK: GO TO 10.

NG: Repair open circuit or short to power in harness or connectors.
CHECK SNOW MODE INDICATOR LAMP
1. Check harness continuity between snow mode switch terminals 3 and 4.
  Refer to WIRING DIAGRAM .
  
  Continuity should exist.
2. Also check harness for short to ground or short to power.
OK or NG

OK: GO TO 11.

NG: Replace snow mode switch.
CHECK SNOW MODE SWITCH
Refer to "COMPONENT INSPECTION ".

OK or NG

OK: GO TO 12.

NG: Replace snow mode switch.
CHECK COMBINATION METER
Refer to "COMBINATION METERS ".

OK or NG

OK: GO TO 13.

NG: Replace combination meter.
CHECK INTERMITTENT INCIDENT
Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

INSPECTION END