2004 INFINITI QX56 Light

REAR SONAR SYSTEM
DI-69
C
D
E
F
G
H
I
J
L
MA
B
DI
Revision: August 20072004 QX56
Component InspectionEKS007F1
SONAR BUZZER
1. Disconnect the sonar buzzer connector.
2. Check continuity between buzzer connector M117 terminal (+)
and terminal (-)
REAR SONAR SYSTEM OFF SWITCH
Disconnect the rear sonar system OFF switch connector M116.
Check continuity between the following terminals.
REAR SONAR SYSTEM OFF INDICATOR
Disconnect the rear sonar system OFF switch connector M116, and
apply battery voltage (approx. 12V) to terminal 5. Check the rear
sonar system OFF indicator operation when terminal 6 is connected
to battery ground.
Removal and Installation of Rear Sonar SystemEKS007F2
REAR SONAR SENSORS
Refer to EI-15, "Removal and Installation" for rear sonar sensor removal and installation procedures.
SONAR CONTROL UNIT
REMOVAL
1. Remove luggage side finisher lower LH. Refer to EI-39, "LUGGAGE FLOOR TRIM" .
2. Disconnect electrical connector. Refer to DI-59, "
Component Parts and Harness Connector Location" .
3. Remove sonar control unit screws.
4. Remove sonar control unit.
INSTALLATION
Installation is in the reverse order of removal.(+) - (-) : Continuity should exist
WKIA2024E
Rear sonar system OFF
switch Terminal to be inspected Continuity
ON
1 - 2Ye s
OFF No
WKIA2025E
Terminal to be
inspectedCondition Operation
Rear sonar sys-
tem OFF switch5 Approx. 12V Rear sonar
system OFF
indicator lights 6Ground
WKIA2026E

EC-8Revision: August 2007
INDEX FOR DTC
2004 QX56
INDEX FOR DTCPFP:00024
Alphabetical IndexUBS00GZ3
NOTE:
If DTC U1000 or U1001 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000,
U1001. Refer to EC-135, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .
×:Applicable —: Not applicable
Items
(CONSULT-II screen terms)DTC*
1
TripMIL lighting
upReference page
CONSULT-II
GST*
2ECM*3
A/F SEN1 (B1) P1271 1271 2×EC-429
A/F SEN1 (B1) P1272 1272 2×EC-437
A/F SEN1 (B1) P1273 1273 2×EC-445
A/F SEN1 (B1) P1274 1274 2×EC-454
A/F SEN1 (B1) P1276 1276 2×EC-463
A/F SEN1 (B1) P1278 1278 2×EC-472
A/F SEN1 (B1) P1279 1279 2×EC-484
A/F SEN1 (B2) P1281 1281 2×EC-429
A/F SEN1 (B2) P1282 1282 2×EC-437
A/F SEN1 (B2) P1283 1283 2×EC-445
A/F SEN1 (B2) P1284 1284 2×EC-454
A/F SEN1 (B2) P1286 1286 2×EC-463
A/F SEN1 (B2) P1288 1288 2×EC-472
A/F SEN1 (B2) P1289 1289 2×EC-484
A/F SEN1 HTR (B1) P1031 1031 2×EC-354
A/F SEN1 HTR (B1) P1032 1032 2×EC-354
A/F SEN1 HTR (B2) P1051 1051 2×EC-354
A/F SEN1 HTR (B2) P1052 1052 2×EC-354
ACC COMMAND VALUE*7P1568 1568 1 —EC-524
A/T INTERLOCK P1730 1730 1×AT-139
A/T TCC S/V FNCTN P0744 0744 2×AT-121
APP SEN 1/CIRC P2122 2122 1×EC-556
APP SEN 1/CIRC P2123 2123 1×EC-556
APP SEN 2/CIRC P2127 2127 1×EC-562
APP SEN 2/CIRC P2128 2128 1×EC-562
APP SENSOR P2138 2138 1×EC-576
ASCD BRAKE SW P1572 1572 1 —EC-525, EC-534
ASCD SW P1564 1564 1 —EC-510, EC-517
ASCD VHL SPD SEN*6P1574 1574 1 —EC-542, EC-544
ATF TEMP SEN/CIRC P0710 0710 2×AT-131
BRAKE SW/CIRCUIT P1805 1805 2 —EC-551
CAN COMM CIRCUIT U1000
1000*41×EC-135
CAN COMM CIRCUIT U1001
1001*42—EC-135
CKP SEN/CIRCUIT P0335 0335 2×EC-255
CLOSED LOOP-B1 P1148 1148 1×EC-407
CLOSED LOOP-B2 P1168 1168 1×EC-407

INDEX FOR DTC
EC-9
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: August 20072004 QX56CMP SEN/CIRC-B1 P0340 0340 2×EC-261
CTP LEARNING P1225 1225 2 —EC-420
CTP LEARNING P1226 1226 2 —EC-422
CYL 1 MISFIRE P0301 0301 2×EC-243
CYL 2 MISFIRE P0302 0302 2×EC-243
CYL 3 MISFIRE P0303 0303 2×EC-243
CYL 4 MISFIRE P0304 0304 2×EC-243
CYL 5 MISFIRE P0305 0305 2×EC-243
CYL 6 MISFIRE P0306 0306 2×EC-243
CYL 7 MISFIRE P0307 0307 2×EC-243
CYL 8 MISFIRE P0308 0308 2×EC-243
D/C SOLENOID/CIRC P1762 1762 1×AT- 1 5 7
D/C SOLENOID FNCTN P1764 1764 1×AT- 1 6 0
ECM P0605 0605 1 or 2× or —EC-351
ECM BACK UP/CIRCUIT P1065 1065 2×EC-361
ECT SEN/CIRCUIT P0117 0117 1×EC-165
ECT SEN/CIRCUIT P0118 0118 1×EC-165
ECT SENSOR P0125 0125 1×EC-178
ENG OVER TEMP P1217 1217 1×EC-410
ETC ACTR P1121 1121 1×EC-365
ETC FUNCTION/CIRC P1122 1122 1×EC-367
E T C M O T P 11 2 8 11 2 8 1×EC-378
E T C M O T P W R P 11 2 4 11 2 4 1×EC-373
E T C M O T P W R P 11 2 6 11 2 6 1×EC-373
EVAP GROSS LEAK P0455 0455 2×EC-316
EVAP PURG FLOW/MON P0441 0441 2×EC-271
EVAP SMALL LEAK P0442 0442 2×EC-276
EVAP SYS PRES SEN P0451 0451 2×EC-299
EVAP SYS PRES SEN P0452 0452 2×EC-302
EVAP SYS PRES SEN P0453 0453 2×EC-308
EVAP VERY SML LEAK P0456 0456 2×EC-324
FR/B SOLENOID FNCT P1759 1759 1×AT- 1 5 4
FR/B SOLENOID/CIRC P1757 1757 1×AT- 1 5 1
FTT SEN/CIRCUIT P0182 0182 2×EC-231
FTT SEN/CIRCUIT P0183 0183 2×EC-231
FTT SENSOR P0181 0181 2×EC-225
FUEL LEV SEN SLOSH P0460 0460 2×EC-334
FUEL LEVEL SENSOR P0461 0461 2×EC-336
FUEL LEVL SEN/CIRC P0462 0462 2×EC-338
FUEL LEVL SEN/CIRC P0463 0463 2×EC-338
FUEL SYS-LEAN-B1 P0171 0171 2×EC-208
FUEL SYS-LEAN-B2 P0174 0174 2×EC-208
Items
(CONSULT-II screen terms)DTC*
1
TripMIL lighting
upReference page
CONSULT-II
GST*
2ECM*3

EC-10Revision: August 2007
INDEX FOR DTC
2004 QX56
FUEL SYS-RICH-B1 P0172 0172 2×EC-217
FUEL SYS-RICH-B2 P0175 0175 2×EC-217
HLR/C SOL FNCTN P1769 1769 1×AT-166
HLR/C SOL/CIRC P1767 1767 1×AT-163
HO2S2 (B1) P0138 0138 2×EC-186
HO2S2 (B1) P0139 0139 2×EC-196
HO2S2 (B1) P1146 1146 2×EC-383
HO2S2 (B1) P1147 1147 2×EC-395
HO2S2 (B2) P0158 0158 2×EC-186
HO2S2 (B2) P0159 0159 2×EC-196
HO2S2 (B2) P1166 1166 2×EC-383
HO2S2 (B2) P1167 1167 2×EC-395
HO2S2 HTR (B1) P0037 0037 2×EC-138
HO2S2 HTR (B1) P0038 0038 2×EC-138
HO2S2 HTR (B2) P0057 0057 2×EC-138
HO2S2 HTR (B2) P0058 0058 2×EC-138
I/C SOLENOID/CIRC P1752 1752 1×AT-145
I/C SOLENOID FNCTN P1754 1754 1×AT-148
IAT SEN/CIRCUIT P0112 0112 2×EC-161
IAT SEN/CIRCUIT P0113 0113 2×EC-161
IAT SENSOR P0127 0127 2×EC-181
ISC SYSTEM P0506 0506 2×EC-342
ISC SYSTEM P0507 0507 2×EC-344
KNOCK SEN/CIRC-B1 P0327 0327 2 —EC-250
KNOCK SEN/CIRC-B1 P0328 0328 2 —EC-250
KNOCK SEN/CIRC-B2 P0332 0332 2 —EC-250
KNOCK SEN/CIRC-B2 P0333 0333 2 —EC-250
L/PRESS SOL/CIRC P0745 0745 2×AT-124
LC/B SOLENOID FNCT P1774 1774 1×AT-172
LC/B SOLENOID/CIRC P1772 1772 1×AT-169
MAF SEN/CIRCUIT P0101 0101 1×EC-146
MAF SEN/CIRCUIT P0102 0102 1×EC-154
MAF SEN/CIRCUIT P0103 0103 1×EC-154
MULTI CYL MISFIRE P0300 0300 2×EC-243
NATS MALFUNCTION P1610 - P1615 1610 - 1615 2 —BL-138
NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.P0000 0000———
P-N POS SW/CIRCUIT P1706 1706 2×EC-546
PNP SW/CIRC P0705 0705 2×AT-109
PURG VOLUME CONT/V P0444 0444 2×EC-285
PURG VOLUME CONT/V P0445 0445 2×EC-285
PURG VOLUME CONT/V P1444 1444 2×EC-496
Items
(CONSULT-II screen terms)DTC*
1
TripMIL lighting
upReference page
CONSULT-II
GST*
2ECM*3

INDEX FOR DTC
EC-11
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: August 20072004 QX56
*1: 1st trip DTC No. is the same as DTC No.
*2: This number is prescribed by SAE J2012.
*3: In Diagnostic Test Mode II (Self-diagnostic results). This number is controlled by NISSAN.
*4: The troubleshooting for this DTC needs CONSULT-II.
*5: When the fail-safe operations for both self-diagnoses occur at the same time, the MIL illuminates.
*6: 2WD models
*7: Models with ICC systemPW ST P SEN/CIRC P0550 0550 2 —EC-346
SENSOR POWER/CIRC P1229 1229 1×EC-424
TCC SOLENOID/CIRC P0740 0740 2×AT - 11 8
TCM P0700 0700 1×AT- 1 0 8
TCS C/U FUNCTN P1211 1211 2 —EC-408
TCS/CIRC P1212 1212 2 —EC-409
THERMSTAT FNCTN P0128 0128 2×EC-184
TP SEN 1/CIRC P0222 0222 1×EC-236
TP SEN 1/CIRC P0223 0223 1×EC-236
TP SEN 2/CIRC P0122 0122 1×EC-171
TP SEN 2/CIRC P0123 0123 1×EC-171
TP SENSOR P2135 2135 1×EC-569
TURBINE REV S/CIRC P1716 1716 2×AT- 1 3 4
TW CATALYST SYS-B1 P0420 0420 2×EC-267
TW CATALYST SYS-B2 P0430 0430 2×EC-267
VEH SPD SEN/CIR AT*5P0720 0720 2×AT - 11 2
VEH SPEED SEN/CIRC*5P0500 0500 2×EC-340
VENT CONTROL VALVE P0447 0447 2×EC-292
VENT CONTROL VALVE P1446 1446 2×EC-504
Items
(CONSULT-II screen terms)DTC*
1
TripMIL lighting
upReference page
CONSULT-II
GST*
2ECM*3

EC-12Revision: August 2007
INDEX FOR DTC
2004 QX56
DTC No. IndexUBS00GZ4
NOTE:
If DTC U1000 or U1001 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000,
U1001. Refer to EC-135, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .
×:Applicable —: Not applicable
DTC*
1
Items
(CONSULT-II screen terms)TripMIL lighting
upReference page
CONSULT-II
GST*
2ECM*3
U1000
1000*4CAN COMM CIRCUIT 1×EC-135
U1001
1001*4CAN COMM CIRCUIT 2 —EC-135
P0000 0000NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.———
P0037 0037 HO2S2 HTR (B1) 2×EC-138
P0038 0038 HO2S2 HTR (B1) 2×EC-138
P0057 0057 HO2S2 HTR (B2) 2×EC-138
P0058 0058 HO2S2 HTR (B2) 2×EC-138
P0101 0101 MAF SEN/CIRCUIT 1×EC-146
P0102 0102 MAF SEN/CIRCUIT 1×EC-154
P0103 0103 MAF SEN/CIRCUIT 1×EC-154
P 0 11 2 0 11 2 I AT S E N /C I R C U I T 2×EC-161
P 0 11 3 0 11 3 I AT S E N /C I R C U I T 2×EC-161
P0117 0117 ECT SEN/CIRCUIT 1×EC-165
P0118 0118 ECT SEN/CIRCUIT 1×EC-165
P0122 0122 TP SEN 2/CIRC 1×EC-171
P0123 0123 TP SEN 2/CIRC 1×EC-171
P0125 0125 ECT SENSOR 1×EC-178
P0127 0127 IAT SENSOR 2×EC-181
P0128 0128 THERMSTAT FNCTN 2×EC-184
P0138 0138 HO2S2 (B1) 2×EC-186
P0139 0139 HO2S2 (B1) 2×EC-196
P0158 0158 HO2S2 (B2) 2×EC-186
P0159 0159 HO2S2 (B2) 2×EC-196
P0171 0171 FUEL SYS-LEAN-B1 2×EC-208
P0172 0172 FUEL SYS-RICH-B1 2×EC-217
P0174 0174 FUEL SYS-LEAN-B2 2×EC-208
P0175 0175 FUEL SYS-RICH-B2 2×EC-217
P0181 0181 FTT SENSOR 2×EC-225
P0182 0182 FTT SEN/CIRCUIT 2×EC-231
P0183 0183 FTT SEN/CIRCUIT 2×EC-231
P0222 0222 TP SEN 1/CIRC 1×EC-236
P0223 0223 TP SEN 1/CIRC 1×EC-236
P0300 0300 MULTI CYL MISFIRE 2×EC-243
P0301 0301 CYL 1 MISFIRE 2×EC-243
P0302 0302 CYL 2 MISFIRE 2×EC-243
P0303 0303 CYL 3 MISFIRE 2×EC-243

INDEX FOR DTC
EC-13
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: August 20072004 QX56P0304 0304 CYL 4 MISFIRE 2×EC-243
P0305 0305 CYL 5 MISFIRE 2×EC-243
P0306 0306 CYL 6 MISFIRE 2×EC-243
P0307 0307 CYL 7 MISFIRE 2×EC-243
P0308 0308 CYL 8 MISFIRE 2×EC-243
P0327 0327 KNOCK SEN/CIRC-B1 2 —EC-250
P0328 0328 KNOCK SEN/CIRC-B1 2 —EC-250
P0332 0332 KNOCK SEN/CIRC-B2 2 —EC-250
P0333 0333 KNOCK SEN/CIRC-B2 2 —EC-250
P0335 0335 CKP SEN/CIRCUIT 2×EC-255
P0340 0340 CMP SEN/CIRC-B1 2×EC-261
P0420 0420 TW CATALYST SYS-B1 2×EC-267
P0430 0430 TW CATALYST SYS-B2 2×EC-267
P0441 0441 EVAP PURG FLOW/MON 2×EC-271
P0442 0442 EVAP SMALL LEAK 2×EC-276
P0444 0444 PURG VOLUME CONT/V 2×EC-285
P0445 0445 PURG VOLUME CONT/V 2×EC-285
P0447 0447 VENT CONTROL VALVE 2×EC-292
P0451 0451 EVAP SYS PRES SEN 2×EC-299
P0452 0452 EVAP SYS PRES SEN 2×EC-302
P0453 0453 EVAP SYS PRES SEN 2×EC-308
P0455 0455 EVAP GROSS LEAK 2×EC-316
P0456 0456 EVAP VERY SML LEAK 2×EC-324
P0460 0460 FUEL LEV SEN SLOSH 2×EC-334
P0461 0461 FUEL LEVEL SENSOR 2×EC-336
P0462 0462 FUEL LEVL SEN/CIRC 2×EC-338
P0463 0463 FUEL LEVL SEN/CIRC 2×EC-338
P0500 0500
VEH SPEED SEN/CIRC*52×EC-340
P0506 0506 ISC SYSTEM 2×EC-342
P0507 0507 ISC SYSTEM 2×EC-344
P0550 0550 PW ST P SEN/CIRC 2 —EC-346
P0605 0605 ECM 1 or 2× or —EC-351
P0700 0700 TCM 1×AT- 1 0 8
P0705 0705 PNP SW/CIRC 2×AT- 1 0 9
P0710 0710 ATF TEMP SEN/CIRC 2×AT- 1 3 1
P0720 0720
VEH SPD SEN/CIR AT*52×AT - 11 2
P0740 0740 TCC SOLENOID/CIRC 2×AT - 11 8
P0744 0744 A/T TCC S/V FNCTN 2×AT- 1 2 1
P0745 0745 L/PRESS SOL/CIRC 2×AT- 1 2 4
P1031 1031 A/F SEN1 HTR (B1) 2×EC-354
P1032 1032 A/F SEN1 HTR (B1) 2×EC-354
P1051 1051 A/F SEN1 HTR (B2) 2×EC-354
DTC*1
Items
(CONSULT-II screen terms)TripMIL lighting
upReference page
CONSULT-II
GST*
2ECM*3

EC-14Revision: August 2007
INDEX FOR DTC
2004 QX56
P1052 1052 A/F SEN1 HTR (B2) 2×EC-354
P1065 1065 ECM BACK UP/CIRCUIT 2×EC-361
P1121 1121 ETC ACTR 1×EC-365
P1122 1122 ETC FUNCTION/CIRC 1×EC-367
P1124 1124 ETC MOT PWR 1×EC-373
P1126 1126 ETC MOT PWR 1×EC-373
P1128 1128 ETC MOT 1×EC-378
P1146 1146 HO2S2 (B1) 2×EC-383
P1147 1147 HO2S2 (B1) 2×EC-395
P1148 1148 CLOSED LOOP-B1 1×EC-407
P1166 1166 HO2S2 (B2) 2×EC-383
P1167 1167 HO2S2 (B2) 2×EC-395
P1168 1168 CLOSED LOOP-B2 1×EC-407
P1211 1211 TCS C/U FUNCTN 2 —EC-408
P1212 1212 TCS/CIRC 2 —EC-409
P1217 1217 ENG OVER TEMP 1×EC-410
P1225 1225 CTP LEARNING 2 —EC-420
P1226 1226 CTP LEARNING 2 —EC-422
P1229 1229 SENSOR POWER/CIRC 1×EC-424
P1271 1271 A/F SENSOR (B1) 2×EC-429
P1272 1272 A/F SENSOR (B1) 2×EC-437
P1273 1273 A/F SENSOR (B1) 2×EC-445
P1274 1274 A/F SENSOR (B1) 2×EC-454
P1276 1276 A/F SENSOR (B1) 2×EC-463
P1278 1278 A/F SENSOR (B1) 2×EC-472
P1279 1279 A/F SENSOR (B1) 2×EC-484
P1281 1281 A/F SENSOR (B2) 2×EC-429
P1282 1282 A/F SENSOR (B2) 2×EC-437
P1283 1283 A/F SENSOR (B2) 2×EC-445
P1284 1284 A/F SENSOR (B2) 2×EC-454
P1286 1286 A/F SENSOR (B2) 2×EC-463
P1288 1288 A/F SENSOR (B2) 2×EC-472
P1289 1289 A/F SENSOR (B2) 2×EC-484
P1444 1444 PURG VOLUME CONT/V 2×EC-496
P1446 1446 VENT CONTROL VALVE 2×EC-504
P1564 1564 ASCD SW 1 —EC-510, EC-517
P1568 1568
ACC COMMAND VALUE*71—EC-524
P1572 1572 ASCD BRAKE SW 1 —EC-525, EC-544
P1574 1574
ASCD VHL SPD SEN*61—EC-542, EC-517
P1610 - P1615 1610 - 1615 NATS MALFUNCTION 2 —BL-138
P1706 1706 P-N POS SW/CIRCUIT 2×EC-546
P1716 1716 TURBINE REV S/CIRC 2×AT-134
DTC*1
Items
(CONSULT-II screen terms)TripMIL lighting
upReference page
CONSULT-II
GST*
2ECM*3