2006 Infiniti QX56 - Power Supply, Ground & Circuit Elements (Section PG) (78 pages)
Download Power Supply, Ground & Circuit Elements (Section PG)
Manual Description
POWER SUPPLY, GROUND & CIRCUIT ELEMENTS, (SRS) AIR BAG” and SEAT BELT PRE-TENSIONER” 3, wiring Diagram — POWER — 6, bATTERY POWER SUPPLY — IGNITION SW.
IGNITION POWER SUPPLY — IGNITION SW, circuit Breaker (Built Into BCM) 17, sYSTEMS CONTROLLED BY IPDM E/R 18, function of Detecting Ignition Relay Malfunction 19.
INSPECTION IN AUTO ACTIVE TEST MODE 24, iPDM E/R Power/Ground Circuit Inspection 28, removal and Installation IPDM E/R 30, hOW TO READ HARNESS LAYOUT 41.
ENGINE ROOM HARNESS (LH VIEW) 45, eNGINE ROOM HARNESS (RH VIEW) 48, wiring Diagram Codes (Cell Codes) 62, precautions for Supplemental Restraint System (SRS) AIR BAG” SEAT.
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 SRS and SB section Service Manual, to avoid rendering the SRS inoperative, which could increase the risk of personal injury death, improper maintenance, including incorrect removal and installation of the SRS, can lead to personal injury caused by unintentional activation of the system, do not use electrical test equipment on any circuit related to the SRS unless instructed.
For detailed ground distribution, refer PG-31, "Ground Distribution", aCCESSORY POWER SUPPLY — IGNITION SW, if fuse is blown, be sure to eliminate cause incident before, do not partially install fuse; always insert it into fuse holder properly.
Remove fuse for ELECTRICAL PARTS (BAT)” vehicle not, used for a long period time, a melted fusible link can be detected either by visual inspection or by feeling with finger tip, questionable, use circuit tester test lamp.
If fusible link should melt, it is possible that critical circuit (power supply large current carrying, never wrap outside of fusible link with vinyl tape, never let fusible link touch any other wiring harness, vinyl rubber parts, for example, when current is 30A, the circuit is broken within 8 20.
A circuit breaker is used following systems, iPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM), iPDM E/R (Intelligent Power Distribution Module Engine Room) integrates the relay box fuse block, which were originally placed in engine compartment.
IPDM E/R-integrated control circuits perform ON-OFF operation of relays, CAN communication control, it controls operation of each electrical component via ECM, BCM CAN communication lines, none of the IPDM E/R integrated relays can be removed, using CAN communication lines, it receives signals from the BCM and controls following lamps.
Using CAN communication lines, it receives signals from the BCM and controls front wipers, using CAN communication lines, it receives signals from the BCM and controls rear window defogger, using CAN communication lines, it receives signals from the ECM and controls A/C compressor, using CAN communication lines, it receives signals from the BCM and controls starter relay.
Using CAN communication lines, it receives signals from the ECM and controls cooling fan relays, using CAN communication lines, it receives signals from the BCM and controls horn relay, with CAN communication, by connecting each control unit using two communication lines (CAN L-line, CAN, h-line), it is possible to transmit a maximum amount of information with minimum wiring.
Transmit and receive data, and reads necessary information only, q When CAN communication with other control units is impossible, IPDM E/R performs fail-safe control, after CAN communication returns to normal operation, it also returns normal control.
Manual Description
POWER SUPPLY, GROUND & CIRCUIT ELEMENTS, (SRS) AIR BAG” and SEAT BELT PRE-TENSIONER” 3, wiring Diagram — POWER — 6, bATTERY POWER SUPPLY — IGNITION SW.
IGNITION POWER SUPPLY — IGNITION SW, circuit Breaker (Built Into BCM) 17, sYSTEMS CONTROLLED BY IPDM E/R 18, function of Detecting Ignition Relay Malfunction 19.
INSPECTION IN AUTO ACTIVE TEST MODE 24, iPDM E/R Power/Ground Circuit Inspection 28, removal and Installation IPDM E/R 30, hOW TO READ HARNESS LAYOUT 41.
ENGINE ROOM HARNESS (LH VIEW) 45, eNGINE ROOM HARNESS (RH VIEW) 48, wiring Diagram Codes (Cell Codes) 62, precautions for Supplemental Restraint System (SRS) AIR BAG” SEAT.
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 SRS and SB section Service Manual, to avoid rendering the SRS inoperative, which could increase the risk of personal injury death, improper maintenance, including incorrect removal and installation of the SRS, can lead to personal injury caused by unintentional activation of the system, do not use electrical test equipment on any circuit related to the SRS unless instructed.
For detailed ground distribution, refer PG-31, "Ground Distribution", aCCESSORY POWER SUPPLY — IGNITION SW, if fuse is blown, be sure to eliminate cause incident before, do not partially install fuse; always insert it into fuse holder properly.
Remove fuse for ELECTRICAL PARTS (BAT)” vehicle not, used for a long period time, a melted fusible link can be detected either by visual inspection or by feeling with finger tip, questionable, use circuit tester test lamp.
If fusible link should melt, it is possible that critical circuit (power supply large current carrying, never wrap outside of fusible link with vinyl tape, never let fusible link touch any other wiring harness, vinyl rubber parts, for example, when current is 30A, the circuit is broken within 8 20.
A circuit breaker is used following systems, iPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM), iPDM E/R (Intelligent Power Distribution Module Engine Room) integrates the relay box fuse block, which were originally placed in engine compartment.
IPDM E/R-integrated control circuits perform ON-OFF operation of relays, CAN communication control, it controls operation of each electrical component via ECM, BCM CAN communication lines, none of the IPDM E/R integrated relays can be removed, using CAN communication lines, it receives signals from the BCM and controls following lamps.
Using CAN communication lines, it receives signals from the BCM and controls front wipers, using CAN communication lines, it receives signals from the BCM and controls rear window defogger, using CAN communication lines, it receives signals from the ECM and controls A/C compressor, using CAN communication lines, it receives signals from the BCM and controls starter relay.
Using CAN communication lines, it receives signals from the ECM and controls cooling fan relays, using CAN communication lines, it receives signals from the BCM and controls horn relay, with CAN communication, by connecting each control unit using two communication lines (CAN L-line, CAN, h-line), it is possible to transmit a maximum amount of information with minimum wiring.
Transmit and receive data, and reads necessary information only, q When CAN communication with other control units is impossible, IPDM E/R performs fail-safe control, after CAN communication returns to normal operation, it also returns normal control.
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