fuses NISSAN PATROL 2004 Electronic Repair Manual

Trouble Diagnoses
POWER SUPPLY AND GROUND CIRCUIT CHECK FOR NAVI CONTROL UNIT
1. CHECK FUSE
Make sure that the following fuses of the NAVI control unit are not blown.OK or NG
OK ©GO TO 2.
NG ©If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
Refer to EL-4005 in ªPOWER SUPPLY ROUTINGº.
Terminals
Power source Fuse No.
Connector Terminal (wire color)
NAVI control unit M167 2 (R/G)
Battery 56
3 (R/G)
6 (L/OR) Ignition switch ACC or ON 10
2. CHECK POWER SUPPLY CIRCUIT
Check voltage between NAVI control unit and ground.
SKIA8719E
OK or NG
OK ©GO TO 3.
NG ©Repair or replace harness.
Terminals
OFF ACC ON
(+)
(þ)
Connector Terminal (wire color)
NAVI control unit M167 2 (R/G)
GroundBattery voltage Battery voltage Battery voltage
3 (R/G) Battery voltage Battery voltage Battery voltage
6 (L/OR) 0V Battery voltage Battery voltage
NAVIGATION SYSTEM
EL-4198

3. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connector.
3. Check continuity between NAVI control unit and ground.
SKIA8720E
OK or NG
OK ©INSPECTION END
NG ©Repair or replace harness.
Terminals
Continuity
(+)
(þ)
Connector Terminal (wire color)
NAVI control unit M167 1 (B)
Ground Yes
4 (B)
POWER SUPPLY AND GROUND CIRCUIT CHECK FOR DISPLAY
1. CHECK FUSE
Make sure that the following fuses of the display are not blown.
OK or NG
OK ©GO TO 2.
NG ©If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
Refer to EL-4005 in ªPOWER SUPPLY ROUTINGº.
Unit Terminals
Power source Fuse No.
Connector Terminal (wire color)
Display M170 21 (R/G)
Battery 56
23 (R/G)
19 (L/OR) Ignition switch ACC or ON 10
NAVIGATION SYSTEM
Trouble Diagnoses (Cont'd)
EL-4199

POWER SUPPLY AND GROUND CIRCUIT CHECK FOR TRANSFER UNIT
1. CHECK FUSE
Make sure that the following fuses of the transfer unit are not blown.OK or NG
OK ©GO TO 2.
NG ©If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
Refer to EL-4005 in ªPOWER SUPPLY ROUTINGº.
Unit Terminals
Power source Fuse No.
Connector Terminal (wire color)
Transfer unit M173 31 (R/G)
Battery 56
32 (R/G)
29 (L/OR) Ignition switch ACC or ON 10
2. CHECK POWER SUPPLY CIRCUIT
Check voltage between transfer unit and ground.
SKIA9079E
OK or NG
OK ©GO TO 3.
NG ©Repair or replace harness.
Unit Terminals
OFF ACC ON
(+)
(þ)
Connector Terminal (wire
color)
Transfer unit M173 31 (R/G)
GroundBattery voltage Battery voltage Battery voltage
32 (R/G) Battery voltage Battery voltage Battery voltage
29 (L/OR) 0V Battery voltage Battery voltage
NAVIGATION SYSTEM
Trouble Diagnoses (Cont'd)
EL-4202