2005 INFINITI QX4 turn signal

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Page 1686 of 3419

INFINITI QX4 2005  Factory Service Manual DTC P1274, P1284 A/F SENSOR 1
EC-495
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Revision: October 20052005 QX56
7. CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect

Page 1688 of 3419

INFINITI QX4 2005  Factory Service Manual DTC P1276, P1286 A/F SENSOR 1
EC-497
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EC
Revision: October 20052005 QX56
DTC P1276, P1286 A/F SENSOR 1PFP:22693
Component DescriptionUBS00HA7
The air fuel ratio (A/F) sensor 1 is

Page 1696 of 3419

INFINITI QX4 2005  Factory Service Manual DTC P1276, P1286 A/F SENSOR 1
EC-505
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EC
Revision: October 20052005 QX56
4. CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect

Page 1708 of 3419

INFINITI QX4 2005  Factory Service Manual DTC P1278, P1288 A/F SENSOR 1
EC-517
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EC
Revision: October 20052005 QX56
8. CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect

Page 1720 of 3419

INFINITI QX4 2005  Factory Service Manual DTC P1279, P1289 A/F SENSOR 1
EC-529
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EC
Revision: October 20052005 QX56
8. CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect

Page 1725 of 3419

INFINITI QX4 2005  Factory Service Manual EC-534Revision: October 2005
DTC P1444 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
2005 QX56
Specification data are reference values and are measured between each terminal and ground.
Pulse sign

Page 1726 of 3419

INFINITI QX4 2005  Factory Service Manual DTC P1444 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
EC-535
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Revision: October 20052005 QX56
Diagnostic ProcedureUBS00HAY
1. CHECK EVAP CANISTER PURGE VOLUME CONTROL SO

Page 1741 of 3419

INFINITI QX4 2005  Factory Service Manual EC-550Revision: October 2005
DTC P1564 ICC STEERING SWITCH
2005 QX56
3. CHECK ICC STEERING SWITCH GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3.