2009 Infiniti QX56 - Starting System (Section STR) (19 pages)

Model: 2009 Infiniti QX56
File size: 0.56 MB
Pages: 19 pages



Download Starting System (Section STR)

Manual Description
(SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" 2, precaution Necessary for Steering Wheel Rotation After Battery Disconnect 2, precaution for Power Generation Variable Voltage, precaution for Supplemental Restraint System (SRS) "AIR BAG" "SEAT BELT.

The Supplemental Restraint System such as AIR BAG” and SEAT BELT PRE-TENSIONER”, used along, with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger certain, system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front, air bag, depending on the severity of a collision and whether the front occupants belted unbelted.

Information necessary to service the system safely is included in the SR and SB section Service Manual, to avoid rendering the SRS inoperative, which could increase the risk of personal injury death, the event of a collision which would result in air bag inflation, all maintenance must be performed by, improper maintenance, including incorrect removal and installation of the SRS, can lead personal.

Injury caused by unintentional activation of the system, pRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS, when working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Ignition ON or engine running, DO NOT use air or electric power tools or strike near sensor(s) with, when using air or electric power tools or hammers, always switch the Ignition OFF, disconnect.

Battery, and wait at least 3 minutes before performing any service, precaution Necessary for Steering Wheel Rotation After Battery Disconnect, this Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYSTEM), remove and install all control units after disconnecting both battery cables with the ignition knob.

Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work, if DTC is detected, perform trouble diagnosis according self-diagnostic results, for models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mechanism is adopted key cylinder, for this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock.

Steering wheel rotation will become impossible, if steering wheel rotation is required when battery power is interrupted, follow procedure below before, supply power using jumper cables battery discharged, precaution for Power Generation Variable Voltage Control System.

For this model, the battery current sensor that is installed to the negative battery cable measures, charging/discharging current of the battery and performs various engine controls, the engine control system and battery discharge may occur, or ground wire directly battery terminal.

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here, tests Batteries, starting charging system, for operating instructions, refer diagnostic, to ensure a complete and thorough diagnosis, the battery, starter motor and generator test segments must be.

Done as a set start finish, perform the starting system test with multitasking battery diagnostic station, cHARGE BATTERY>>Perform the slow battery charging procedure, rEPLACE BATTERY>>Before replacing battery, clean the battery cable clamps battery posts.

Check that the starter motor operates properly, yES >> Starter motor OK, >> Perform further diagnosis of engine mechanical or engine control system, check that starter motor operates.

YES >> Check ring gear and starter motor drive pinion, compare the engine coolant temperature and verify the cranking voltage within specification, minimum Specification of Cranking Voltage Referencing Coolant Temperature, more than (More than 34).

Is the voltage less than specified value, does the starter motor turn smoothly, check that the engine can be rotated by hand, does the engine turn freely by hand.

>> Perform further diagnosis of engine mechanical or powertrain mechanism, the starter motor plunger closes and provides a closed circuit between the battery and starter motor, starter motor is grounded to the cylinder block.



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