Transfer: Other Infiniti FX45 I

PRECAUTIONS FOR SUPPLEMENTAL RESTRAINT SYSTEM (SRS) "AIR BAG" AND "SEAT BELT PRE-TENSIONER"

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 for certain types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS 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 are belted or unbelted. Information necessary to service the system safely is included in AIR BAG RESTRAINT SYSTEMS article.

PRECAUTIONS

1. Before connecting or disconnecting the AWD control unit harness connector, turn ignition switch "OFF" and disconnect battery ground cable. Because battery voltage is applied to AWD control unit even if ignition switch is turned "OFF".
2. When connecting or disconnecting pin connectors into or from AWD control unit, take care not to damage pin terminals (bend or break). When connecting pin connectors, make sure that there are no bends or breaks on AWD control unit pin terminal.
3. Before replacing AWD control unit, perform AWD control unit input/output signal inspection and make sure whether AWD control unit functions properly or not. Refer to «AWD CONTROL UNIT INPUT/OUTPUT SIGNAL REFERENCE VALUES»(ref-173650-S35225397462005032100000) .

SERVICE NOTICE

1. Do not reuse transfer fluid, once it has been drained.
2. Check the fluid level or replace the fluid only with the vehicle parked on level ground.
3. During removal or installation, keep inside of transfer clear of dust or dirt.
4. Replace all tires at the same time. Always use tires of the proper size and the same brand and pattern. Fitting improper size and unusual wear tires applies excessive force to vehicle mechanism and can cause longitudinal vibration.
5. Disassembly should be done in a clean work area, it is preferable to work in dust proof area.
6. Before proceeding with disassembly, thoroughly clean the transfer. It is important to prevent the internal parts from becoming contaminated by dirt or other foreign matter.
7. All parts should be carefully cleaned with a general purpose, non-flammable solvent before inspection or reassembly.
8. Check for the correct installation status prior to removal or disassembly. If matchmarks are required, be certain they do not interfere with the function of the parts when applied.
9. Check appearance of the disassembled parts for damage, deformation, and unusual wear. Replace them with a new ones if necessary.
10. Gaskets, seals and O-rings should be replaced any time when the transfer is disassembled.
11. In principle, tighten bolts or nuts gradually in several steps working diagonally from inside to outside. If tightening sequence is specified, use it.
12. Observe the specified torque when assembling.
13. Clean and flush the parts sufficiently and blow-dry them.
14. Be careful not to damage sliding surfaces and mating surfaces.
15. Clean inner parts with lint-free cloth or towels. Do not use cotton work gloves and rags to prevent adhering fibers.

SPECIAL SERVICE TOOLS

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

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AWD Warning Lamp

Turns ON when there is a malfunction in AWD system. It indicates that fail-safe mode is engaged and vehicle change to rear-wheel drive or shifting driving force-AWD (Front-wheels still have some driving torque).

Also turns ON when ignition switch is turned ON, for purpose of lamp check. Turns OFF approximately for 1 seconds after the engine starts if system is normal.

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FAIL-SAFE FUNCTION

1. If any malfunction occurs in AWD electrical system, and control unit detects the malfunction, AWD warning lamp on combination meter turns ON to indicate system malfunction.
2. When AWD warning lamp is ON, vehicle changes to rear-wheel drive or shifting driving force-AWD (Front-wheels still have some driving torque).

Basic Concept

1. To perform trouble diagnosis, it is the most important to have understanding about vehicle systems (control and mechanism) thoroughly.
2. It is also important to clarify customer complaints before inspection. First of all, reproduce symptoms, and understand them fully. Ask customer about his/her complaints carefully. In some cases, it will be necessary to check symptoms by driving vehicle with customer. CAUTION: Customers are not professional. It is dangerous to make an easy guess like "maybe the customer means that...," or "maybe the customer mentions this symptom".
3. It is essential to check symptoms right from the beginning in order to repair malfunctions completely. For intermittent malfunctions, reproduce symptoms based on interview with customer and past examples. Do not perform inspection on ad hoc basis. Most intermittent malfunctions are caused by poor contacts. In this case, it will be effective to shake suspected harness or connector by hand. When repairing without any symptom diagnosis, you cannot judge if malfunctions have actually been eliminated.
4. After completing diagnosis, always erase diagnostic memory. Refer to «HOW TO ERASE SELF-DIAGNOSTIC RESULTS»(ref-173650-S09605908712005032100000) .
5. For intermittent malfunctions, move harness or harness connector by hand. Then check for poor contact or reproduced open circuit.

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CONSULT-II Setting Procedure

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1. For details, refer to the separate "CONSULT-II Operations Manual". Turn ignition switch "OFF". Connect CONSULT-II and CONSULT-II CONVERTER to data link connector on vehicle. Turn ignition switch "ON". Touch "START (NISSAN BASED VHCL)". Touch "ALL MODE AWD/4WD". If "ALL MODE AWD/4WD" is not indicated, go to CONSULT-II DATA LINK CONNECTOR (DLC) CIRCUIT . Perform each diagnostic test mode according to each service procedure.

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1. Perform "CONSULT-II SETTING PROCEDURE". Refer to «CONSULT-II SETTING PROCEDURE»(ref-173650-S29480390132005032100000) .
2. Start engine and drive at 30 km/h (19 MPH) or more for approx. 1 minute.
3. Stop vehicle. With engine at idle, touch "SELF-DIAG RESULTS". Display shows malfunction experienced since the last erasing operation. NOTE: The details for "TIME" are as follow: "0": Error currently detected with AWD control unit. Except for "0": Error detected in the past and memorized with AWD control unit. Detects frequency of driving after DTC occurs (frequency of turning ignition switch "ON/OFF").

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AWD Control Unit Part Number

Ignore the AWD control unit part number displayed in the "ECU PART NUMBER".

Refer to parts catalog to order the AWD control unit.

CONSULT-II Reference Value In Data Monitor Mode

Data are reference value.

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1. Check Power Supply Turn ignition switch "OFF". Disconnect AWD control unit harness connector. Turn ignition switch "ON". (Do not start engine.) Check voltage between AWD control unit harness connector terminals and ground. Turn ignition switch "OFF". Check voltage between AWD control unit harness connector terminals and ground. OK or NG OK: GO TO 2 . NG: Check the following. If any items are damaged, repair or replace damaged parts. 10A fuse [No. 12 or 21, located in the fuse block (J/B)] Harness for short or open between battery and AWD control unit harness connector terminal 9 Harness for short or open between ignition switch and AWD control unit harness connector terminal 7 Ignition switch. Refer to the following: For FX35 models, see «POWER DISTRIBUTION»(ref-166528-S03853312002004092200000) . For FX45 models, see «POWER DISTRIBUTION»(ref-166529-S25939419762004092200000) . .
2. Check Ground Circuit Turn ignition switch "OFF". Disconnect AWD control unit harness connector. Check continuity between AWD control unit harness connector M92 terminals 10 (B), 11 (B) and ground. Continuity should exist. Also check harness for short to ground and short to power. OK or NG OK: GO TO 3 . NG: Repair open circuit or short to ground or short to power in harness or connectors.
3. Check DTC Start engine. Does AWD warning lamp turn OFF? YES: INSPECTION END NO: Perform the self-diagnosis, repair or replace damaged parts. Refer to «SELF-DIAG RESULT MODE»(ref-173650-S01381953722005032100000) .

Data are reference value.

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1. Check the following if "4WD SOLENOID [C1204]" is displayed in self-diagnostic results of CONSULT-II. Check AWD Solenoid Signal With CONSULT-II Start engine. Select "DATA MONITOR" mode for "ALL MODE AWD/4WD" with CONSULT-II. Read out the value of "ETS SOLENOID". OK or NG OK: GO TO 6 . NG: GO TO 2 . Check Power Supply Turn ignition switch "OFF". Disconnect AWD control unit harness connector. Turn ignition switch "ON". (Do not start engine.) Check voltage between AWD control unit harness connector terminal 9 and ground. OK or NG OK: GO TO 3 . NG: Check the following. If any items are damaged, repair or replace damaged parts. 10A fuse [No. 21, located in the fuse block (J/B)] Harness for short or open between battery and AWD control unit harness connector terminal 9 Check AWD Solenoid Circuit Turn ignition switch "OFF". Disconnect AWD control unit harness connector. Check resistance between AWD control unit harness connector terminals 1 and 2. OK or NG OK: GO TO 6 . NG: GO TO 4 . Check AWD Solenoid Turn ignition switch "OFF". Disconnect transfer assembly harness connector. Check resistance between transfer assembly harness connector F43 terminals 1 and 2. 1 - 2 : Approx. 2.45ohms OK or NG OK: GO TO 5 . NG: AWD solenoid is malfunctioning. Replace electric controlled coupling. Refer to «DISASSEMBLY AND ASSEMBLY»(ref-173650-S40301768922005032100000) . Check Harness Between AWD Control Unit And AWD Solenoid Turn ignition switch "OFF". Disconnect AWD control unit harness connector and transfer assembly harness connector. Check continuity between the following terminals. AWD control unit harness connector M92 terminal 1 (L/W) and transfer assembly harness connector F43 terminal 1 (W). AWD control unit harness connector M92 terminal 2 (L/OR) and transfer assembly harness connector F43 terminal 2 (P). 1 (L/W) - 1 (W) : Continuity should exist. 2 (L/OR) - 2 (P) : Continuity should exist. Also check harness for short to ground and short to power. OK or NG OK: GO TO 6 . NG: Repair or replace damaged parts. Check AWD Control Unit Check AWD control unit input/output signal. Refer to «AWD CONTROL UNIT INPUT/OUTPUT SIGNAL REFERENCE VALUES»(ref-173650-S35225397462005032100000) . OK or NG OK: GO TO 7 . NG: Check AWD control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts. Check DTC Perform the self-diagnosis, after driving a vehicle for a while. OK or NG OK: INSPECTION END NG: Replace AWD control unit.

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1. Turn ignition switch "OFF".
2. Disconnect transfer assembly harness connector.
3. Check resistance between transfer assembly harness connector F43 terminals 1 and 2. 1 - 2 : Approx. 2.45ohms
4. If NG, replace electric controlled coupling. Refer to «DISASSEMBLY AND ASSEMBLY»(ref-173650-S40301768922005032100000) .

Data are reference value.

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1. Check the following if "4WD ACTUATOR RLY [C1205]" is displayed in self-diagnostic results of CONSULT-II. Check AWD Solenoid System Perform self-diagnosis. Refer to «SELF-DIAG RESULT MODE»(ref-173650-S01381953722005032100000) . Is the "4WD SOLENOID [C1204]" displayed? YES: Perform trouble diagnosis for AWD solenoid. Refer to «AWD SOLENOID»(ref-173650-S39482764882005032100000) . NO: GO TO 2 . Check AWD Actuator Relay Signal With CONSULT-II Turn ignition switch "ON". (Do not start engine.) Select "DATA MONITOR" mode for "ALL MODE AWD/4WD" with CONSULT-II. Start engine and read out ON/OFF signal of "ETS ACTUATOR". OK or NG OK: GO TO 4 . NG: GO TO 3 . Check AWD Control Unit Check AWD control unit input/output signal. Refer to «AWD CONTROL UNIT INPUT/OUTPUT SIGNAL REFERENCE VALUES»(ref-173650-S35225397462005032100000) . OK or NG OK: GO TO 4 . NG: Check AWD control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts. Check DTC Perform the self-diagnosis, after driving a vehicle for a while. OK or NG OK: INSPECTION END NG: Replace AWD control unit.

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1. Check the following if "CAN COMM CIRCUIT [U1000]" is detected in self-diagnostic results of CONSULT-II. Check CAN Communication Circuit With CONSULT-II Turn ignition switch "ON" and start engine. Select "SELF-DIAG RESULTS" mode for "ALL MODE AWD/4WD" with in CONSULT-II. Perform the self-diagnosis. Is the "CAN COMM CIRCUIT [U1000]" displayed? YES: Print out CONSULT-II screen and GO TO 2 . NO: INSPECTION END Check CAN Communication Signals With CONSULT-II Turn ignition switch "ON" and start engine. Select "CAN DIAG SUPPORT MNTR" in "DATA MONITOR" mode for "ALL MODE AWD/4WD" with CONSULT-II. CAN communication signals Print out CONSULT-II screen and go to PRECAUTIONS WHEN USING CONSULT-II .

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1. Check System For Can Communication Line Perform self-diagnosis. Refer to «SELF-DIAG RESULT MODE»(ref-173650-S01381953722005032100000) . Is the "CAN COMM CIRCUIT [U1000]" displayed? YES: Perform trouble diagnosis for CAN communication line. Refer to «CAN COMMUNICATION LINE»(ref-173650-S12181349232005032100000) . NO: GO TO 2 .
2. Check AWD Control Unit Check AWD control unit input/output signal. Refer to «AWD CONTROL UNIT INPUT/OUTPUT SIGNAL REFERENCE VALUES»(ref-173650-S35225397462005032100000) . OK or NG OK: GO TO 3 . NG: Check AWD control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.
3. Check Output Signal With Unified Meter And A/C Amp. With CONSULT-II Turn ignition switch "ON". (Do not start engine.) Select "DATA MONITOR" mode for "METER A/C AMP" with CONSULT-II. Start the engine, and then make sure that "4WD W/L" display turns from "ON" to "OFF" after several seconds. OK or NG OK: GO TO 4 . NG: Perform trouble diagnosis for combination meter. Refer to «HOW TO PROCEED WITH TROUBLE DIAGNOSIS»(ref-179010-S28347815712005062800000) .
4. Symptom Check Check again. OK or NG OK: INSPECTION END NG: Replace unified meter control unit assembly. Refer to «INSTRUMENT PANEL ASSEMBLY»(ref-171989-S04887150722005021700000) .

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1. Check Self-Diagnostic Results Perform self-diagnosis. Refer to «SELF-DIAG RESULT MODE»(ref-173650-S01381953722005032100000) . Is any malfunction detected by self-diagnosis? YES: Check the malfunctioning system. NO: GO TO 2 .
2. Check AWD Control Unit Power Supply Circuit Turn ignition switch "OFF". Disconnect AWD control unit harness connector. Turn ignition switch "ON". (Do not start engine.) Check voltage between AWD control unit harness connector terminals and ground. Turn ignition switch "OFF". Check voltage between AWD control unit harness connector terminals and ground. OK or NG OK: GO TO 3 . NG: Check the following. If any items are damaged, repair or replace damaged parts. 10A fuse [No. 12 or 21, located in the fuse block (J/B)] Harness for short or open between battery and AWD control unit harness connector terminal 9 Harness for short or open between ignition switch and AWD control unit harness connector terminal 7 Ignition switch. Refer to For FX35 models, see «POWER DISTRIBUTION»(ref-166528-S03853312002004092200000) . For FX45 models, see «POWER DISTRIBUTION»(ref-166529-S25939419762004092200000) .
3. Check AWD Control Unit Ground Circuit Turn ignition switch "OFF". Disconnect AWD control unit harness connector. Check continuity between AWD control unit harness connector M92 terminals 10 (B), 11 (B) and ground. Continuity should exist. Also check harness for short to ground and short to power. OK or NG OK: GO TO 4 . NG: Repair open circuit or short to ground or short to power in harness or connectors.
4. Check AWD Control Unit Check AWD control unit input/output signal. Refer to «AWD CONTROL UNIT INPUT/OUTPUT SIGNAL REFERENCE VALUES»(ref-173650-S35225397462005032100000) . OK or NG OK: GO TO 5 . NG: Check AWD control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.
5. Check Output Signal With Unified Meter And A/C Amp. With CONSULT-II Turn ignition switch "ON". (Do not start engine.) Select "DATA MONITOR" mode for "METER A/C AMP" with CONSULT-II. Start the engine, and then make sure that "4WD W/L" display turns from "ON" to "OFF" after several seconds. OK or NG OK: GO TO 6 . NG: Perform trouble diagnosis for combination meter. Refer to «HOW TO PROCEED WITH TROUBLE DIAGNOSIS»(ref-179010-S28347815712005062800000) .
6. Symptom Check Check again. OK or NG OK: INSPECTION END NG: Replace unified meter control unit assembly. Refer to «INSTRUMENT PANEL ASSEMBLY»(ref-171989-S04887150722005021700000) .

WHILE DRIVING, AWD WARNING LAMP FLASHES RAPIDLY (WHEN FLASHING IN APPROX. 1 MINUTE AND THEN TURNING OFF)

Note. Rapid flashing: 2 times/second

This symptom protects drivetrain parts when a heavy load is applied to the electric controlled coupling and multiple disc clutch temperature increases. Also, optional distribution of torque sometimes becomes rigid before lamp flashes rapidly. Both cases are not malfunction.

When this symptom occurs, stop vehicle and allow it to idle for some times. Flashing will stop and system will be restored.

WHILE DRIVING, AWD WARNING LAMP FLASHES SLOWLY (WHEN CONTINUING TO FLASH UNTIL TURNING IGNITION SWITCH OFF)

Note. Slow flashing: 1 time/2 seconds

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1. Check Tire Check the following. Tire pressure Wear condition Longitudinal tire size (There is no difference between longitudinal tires.) OK or NG OK: GO TO 2 . NG: Drive at vehicle speed of 20 km/h (12 MPH) or more for 5 seconds or more after repairing or replacing damaged parts. (Initialize improper size tire information.)
2. Check Input Signal Of Tire Diameter With CONSULT-II Start engine. Drive at 20 km/h (12 MPH) or more for approx. 200 seconds. Select "DATA MONITOR" mode for "ALL MODE AWD/4WD" with CONSULT-II. Check monitor "DIS-TIRE MONI". Display of "DIS-TIRE MONI" "0-4mm" : INSPECTION END Except for "0-4mm" : GO TO 3 .
3. Check AWD Control Unit Check AWD control unit input/output signal. Refer to «AWD CONTROL UNIT INPUT/OUTPUT SIGNAL REFERENCE VALUES»(ref-173650-S35225397462005032100000) . OK or NG OK: GO TO 4 . NG: Check AWD control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.
4. Symptom Check Check again. OK or NG OK: INSPECTION END NG: Replace AWD control unit.

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1. Remove the dash side finisher. Refer to «EXTERIOR & INTERIOR»(ref-178951) .
2. Disconnect AWD control unit connector.
3. Remove the AWD control unit.

Cases

Check items below. If necessary, replace them with new ones.

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1. Contact surfaces of bearing for wear, damage, etc.
2. Damage and cracks of case.

Bearing

Check items below. If necessary, replace them with new ones.

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1. Damage and rough rotation of bearing.

Shaft

Check items below. If necessary, replace them with new one.

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1. Damage, peeling, dent, uneven wear, bending, etc. of shaft.

Gears And Chain

Check items below. If necessary, replace them with new ones.

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1. Excessive wear, damage, peeling, etc. of gear and chain.

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1. Install front drive shaft front bearing, using drifts. Tool number : ST33200000 (J26082)
2. Install front drive shaft rear bearing, using a drift. Tool number : KV38104010 ( - )
3. Install drive chain to front drive shaft. CAUTION: Identification mark of drive chain should be in the side of front bearing of front drive shaft.
4. Install drive chain to mainshaft, and then install tap front drive shaft with plastic hammer. Press-fit rear bearing of front drive shaft to rear case. CAUTION: Be careful not to tap drive chain.
5. Install front case to rear case. Refer to «FRONT CASE AND REAR CASE»(ref-173650-S27116346932005032100000) .

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1. Install needle bearing to mainshaft. CAUTION: Apply ATF to periphery of needle bearing.
2. Install sprocket and electric controlled coupling to mainshaft.
3. Install spacer to main shaft.
4. Install snap ring to mainshaft. CAUTION: Do not reuse snap ring.
5. Install mainshaft assembly to rear case, then install front case and rear case. Refer to «FRONT CASE AND REAR CASE»(ref-173650-S27116346932005032100000) .

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1. Install breather tube, with plastic hammer. CAUTION: Pay attention to the direction of breather tube.
2. Install baffle plate to rear case, and tighten bolt to the specified torque. Refer to «COMPONENTS»(ref-173650-S06546933482005032100000) .
3. Install rear bearing to rear case, using a drift. Tool number : KV38104010 ( - ) CAUTION: Apply ATF to inside of rear bearing.
4. Install snap ring to rear case. CAUTION: Do not reuse snap ring.
5. Install mainshaft assembly to rear case, using a drift. Tool number : ST35321000 ( - ) CAUTION: ATF should be applied to contact surface of mainshaft and rear bearing.
6. Install O-ring to electric controlled coupling connector. CAUTION: Do not reuse O-ring. Apply ATF to O-ring.
7. Install electric controlled coupling connector into rear case.
8. Install retainer to electric controlled coupling connector.
9. Set temperature sensor and tighten bolt to the specified torque. Refer to «COMPONENTS»(ref-173650-S06546933482005032100000) .
10. Hold electric controlled coupling harness with oil cover hold plate, install oil cover to rear case, and tighten bolt to the specified torque. Refer to «Components»(ref-173650-S06546933482005032100000) . CAUTION: The harness should be guided by a cut portion.
11. Install oil gutter to rear case. CAUTION: The tip of oil gutter should be put into rear case groove.
12. Install drive chain to front drive shaft. CAUTION: Identification mark of drive chain should be in the side of front bearing of front drive shaft.
13. Install drive chain to mainshaft, and then install tap front drive shaft with plastic hammer. Press-fit rear bearing of front drive shaft to rear case. CAUTION: Be careful not to tap drive chain.
14. Install mainshaft bearing to front case, using a drift. Tool number : ST30621000 (J25742-5)
15. Install snap ring to front case. CAUTION: Do not reuse snap ring.
16. Apply liquid gasket to mating surface of rear case. Use Genuine Anaerobic Liquid Gasket or equivalent. Refer to «RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS»(ref-178916-S25420186752005062500000) . CAUTION: Remove old sealant adhering to mounting surfaces. Also remove any moisture, oil, or foreign material adhering to application and mounting surfaces.
17. Set front case to rear case. CAUTION: Be careful not to damage the mating surface transmission side.
18. Tighten front case and rear case fixing bolts to the specified torque. Refer to «COMPONENTS»(ref-173650-S06546933482005032100000) .
19. Install spacer to mainshaft. CAUTION: Apply ATF to spacer.
20. Install rear oil seal to rear case, using a drift. Dimension A : 6.7 - 7.3 mm (0.264 - 0.287 in) Tool number A: ST30720000 (J25405) B: KV40104830 ( - ) CAUTION: Do not reuse rear oil seal. Apply ATF to rear oil seal. When installing, do not incline rear oil seal.
21. Install companion flange while align the matchmark of mainshaft with the mark of companion flange.
22. Tighten self-lock nut to the specified torque, with flange wrench. Refer to «COMPONENTS»(ref-173650-S06546933482005032100000) . CAUTION: Do not reuse self-lock nut.
23. Install mainshaft oil seal until it is flush with end face of front case, using drift. Tool number : ST30720000 (J25405) CAUTION: Do not reuse mainshaft oil seal. Apply ATF to mainshaft oil seal. When installing, do not incline mainshaft oil seal.
24. Install front oil seal until it is flush with end face of front case, using drift. Tool number : ST27862000 ( - ) CAUTION: Do not reuse front oil seal. Apply ATF to front oil seal. When installing, do not incline front oil seal.
25. Apply sealant to threads of drain plug. Then install it to rear case and tighten to the specified torque. See «COMPONENTS»(ref-173650-S06546933482005032100000) . Use Genuine Silicone RTV or equivalent. CAUTION: Remove old sealant and oil adhering to threads.
26. Set gasket to filler plug. Install it to rear case and tighten to the specified torque. Refer to «COMPONENTS»(ref-173650-S06546933482005032100000) . CAUTION: Do not reuse gasket.