REAR RH : Component Function Check Infiniti QX56 I facelift

REAR RH : Component Function Check

1. CHECK FUNCTION Use CONSULT-III to perform Active Test "DOOR LOCK". Touch "ALL LOCK" or "ALL UNLOCK" to check that it works normally. Is the inspection result normal? YES: Door lock actuator is OK. NO: Refer to " «REAR RH : DIAGNOSIS PROCEDURE»(ref-308561-S00381664592009021300000) ".

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1. CHECK DOOR LOCK ACTUATOR SIGNAL Turn ignition switch OFF. Check voltage between BCM connector M20 terminals 65, 66 and ground. CONNECTOR TERMINAL VOLTAGE CHART Connector Terminals Condition Voltage (V) (Approx.) (+) (-) M20 65 Ground Door lock/unlock switch is turned to LOCK 0 --> Battery voltage for 300 ms 66 Door lock/unlock switch is turned to UNLOCK 0 --> Battery voltage for 300 ms Is the inspection result normal? YES: GO TO 2 NO: GO TO 3
2. CHECK DOOR LOCK ACTUATOR HARNESS Disconnect BCM and rear door lock actuator RH. Check continuity between BCM connector (A) M20 terminals 65, 66 and rear door lock actuator RH connector (B) D305 terminals 2, 3. TERMINAL CONTINUITY CHART Terminals Continuity 65 3 Yes 66 2 Yes Is the inspection result normal? YES: Replace rear door lock actuator RH. NO: Repair or replace harness or passenger select unlock relay.
3. CHECK DOOR LOCK ACTUATOR HARNESS Disconnect BCM and rear door lock actuator RH. Check continuity between BCM connector (A) M20 terminals 65, 66 and ground. TERMINAL CONTINUITY CHART Terminals Continuity 65 Ground No 66 No Is the inspection result normal? YES: Replace BCM. Refer to BCM REPLACEMENT . NO: Repair or replace harness or passenger select unlock relay.

1. CHECK FUNCTION Ensure "SELECTIVE UNLOCK FUNCTION" in WORK SUPPORT is enabled. Use CONSULT-III to perform Active Test "DOOR LOCK". Touch "ALL LOCK" or "ALL UNLOCK" to check that both rear doors and back door work normally. Is the inspection result normal? YES: Passenger select unlock relay is OK. NO: Refer to " «COMPONENT FUNCTION CHECK»(ref-308561-S20848760512009021300000) ".

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1. CHECK PASSENGER SELECT UNLOCK RELAY CIRCUIT NOTE: Passenger select unlock relay must remain connected during this step. Turn ignition switch OFF. Disconnect BCM and inoperative back or rear door lock actuator. Check continuity between BCM connector (A) M20 terminal 66 and rear door lock actuator LH connector (B) D205 terminal 2 or rear door lock actuator RH connector (C) D305 Terminal 2 or back door lock actuator (D) D708 terminal 4. 66 - 2 : Continuity should exist. 66 - 4 : Continuity should exist. Check continuity between BCM connector M20 terminals 66 and body ground. 66 - Ground : Continuity should not exist. Is the inspection result normal? YES: GO TO 4 NO: GO TO 2
2. CHECK PASSENGER SELECT UNLOCK RELAY INPUT Disconnect passenger select unlock relay. Check continuity between BCM connector (A) M20 terminal 66 and passenger select unlock relay connector (B) M7 terminal 4. 66 - 4 : Continuity should exist. Check continuity between BCM connector (A) M20 terminals 66 and body ground. 66 - Ground : Continuity should not exist. Is the inspection result normal? YES: GO TO 3 NO: Repair or replace harness between BCM and relay.
3. CHECK PASSENGER SELECT UNLOCK RELAY OUTPUT Disconnect inoperative rear or back door lock actuator. Check continuity between passenger select unlock relay connector (A) M7 terminal 3 and rear door lock actuator LH connector (B) D205 terminal 2 or rear door lock actuator RH connector (C) D305 terminal 2 or back door lock actuator connector (D) D708 terminal 4. 3 - 2 : Continuity should exist. 3 - 4 : Continuity should exist. Check continuity between passenger select unlock relay connector (A) M7 terminal 3 and ground. 3 - Ground : Continuity should not exist. Is the inspection result normal? YES: Replace passenger select unlock relay. NO: Repair or replace harness between relay and actuator.
4. CHECK REAR DOOR LOCK ACTUATOR ASSEMBLY Reconnect BCM. Check voltage between rear door lock actuator connector LH (A) D205 terminals 2 and 3 or rear door lock actuator connector RH (B) D305 terminals 2 and 3 or back door lock actuator (C) D708 terminals 2 and 4. CONNECTOR TERMINAL VOLTAGE CHART Connector Terminals Condition Voltage (V) (Approx.) (+) (-) A: D205 (LH) B: D305 (RH) 3 2 Main power window and door lock/unlock switch is turned to LOCK 0 --> Battery voltage for 300 msec. C: D708 2 4 Check voltage between rear door lock actuator connector LH (A) D205 or rear door lock actuator connector RH (B) D305 terminals 2 and 3. CONNECTOR TERMINAL VOLTAGE CHART Connector Terminals Condition Voltage (V) (Approx.) (+) (-) A: D205 (LH) B: D305 (RH) 2 3 Main power window and door lock/unlock switch is turned to UNLOCK 0 --> Battery voltage for 300 msec. C: D7085 4 2 Is the inspection result normal? YES: Replace rear or back door lock actuator. NO: Repair or replace harness between actuator and splice.

1. CHECK FUNCTION With CONSULT-III Check Intelligent Key warning buzzer "OUTSIDE BUZZER" in Active Test mode. Is the inspection result normal? YES: Intelligent Key warning buzzer (engine room) is OK. NO: Refer to " «DIAGNOSIS PROCEDURE»(ref-308561-S25825644452009021300000) ".

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1. CHECK INTELLIGENT KEY WARNING BUZZER (ENGINE ROOM) POWER SUPPLY CIRCUIT Turn ignition switch OFF. Disconnect Intelligent Key warning buzzer (engine room) connector. Check voltage between Intelligent Key warning buzzer (engine room) harness connector E25 terminal 1 and ground. 1 - Ground : Battery voltage Is the inspection normal? YES: GO TO 2 NO: Repair or replace Intelligent Key warning buzzer (engine room) power supply circuit.
2. CHECK INTELLIGENT KEY WARNING BUZZER (ENGINE ROOM) CIRCUIT Disconnect Intelligent Key unit connector. Check continuity between Intelligent Key unit harness connector (A) M70 terminal 4 and Intelligent Key warning buzzer (engine room) harness connector E25 terminal 3. 4 - 3 : Continuity should exist. Check continuity between Intelligent Key warning buzzer (engine room) harness connector E25 terminal 3 and ground. 3 - Ground : Continuity should not exist. Is the inspection normal? YES: GO TO 3 NO: Repair or replace harness between Intelligent Key warning buzzer (engine room) and Intelligent Key unit.
3. CHECK INTELLIGENT KEY WARNING BUZZER (ENGINE ROOM) OPERATION Check " «COMPONENT INSPECTION»(ref-308561-S26928208142009021300000) ". Inspection end.

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1. CHECK INTELLIGENT KEY WARNING BUZZER Connect battery power supply to Intelligent Key warning buzzer terminals 1 and 3, and check the operation. 1 (BAT+) - 3 (BAT-) : the buzzer sounds Is the inspection result normal? YES: INSPECTION END. NO: Replace Intelligent Key warning buzzer.

1. CHECK DOOR REQUEST SWITCHES Check that door request switches operate normally. Is the inspection result normal? YES: GO TO 2 NO: Inspect door request switches. Refer to " «COMPONENT FUNCTION CHECK»(ref-308561-S30812819782009021300000) ".
2. CHECK OUTSIDE KEY ANTENNAS FUNCTION Be sure that Intelligent Key is in each outside key antenna detection range. Does door lock/unlock when each request switch is pressed? YES: Outside key antenna is OK. NO: Refer to " «DIAGNOSIS PROCEDURE»(ref-308561-S13433412502009021300000) ".

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1. CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL Turn ignition switch OFF. Check signal between Intelligent Key unit connector M70 terminals 17, 19, 37 and ground with an oscilloscope. CONNECTOR TERMINAL SIGNAL CHART Connector Item Terminals Condition Signal (V) (Reference value) (+) (-) M70 Rear bumper antenna 17 Ground Request switch is pushed Front outside antenna LH 19 Front outside antenna RH 37 Is the inspection result normal? YES: Outside key antenna is OK. NO: GO TO 2
2. CHECK OUTSIDE KEY ANTENNA CIRCUIT Disconnect Intelligent Key unit connector and outside key antenna connector. Check continuity between each outside key antenna harness connector (B) D15 (driver side) or D115 (passenger side), rear bumper antenna connector (C) C7 terminals 1, 2 and Intelligent Key unit harness connector (A) M70 terminals 17, 18, 19, 20, 37, and 38. CONNECTOR TERMINAL CONTINUITY CHART Item Connector Terminals Connector Terminals Continuity Rear bumper antenna C:C7 1 A:M70 17 Yes 2 18 Front outside antenna LH B: D15 1 19 2 20 Front outside antenna RH B: D115 1 37 2 38 Check continuity between each outside key antenna harness connector terminals 1, 2 and ground. CONNECTOR TERMINAL CONTINUITY CHART Item Connector Terminal Continuity Rear bumper antenna C: C7 1 Ground No 2 Front outside antenna LH B: D15 1 2 Front outside antenna RH B: D115 1 2 Is the inspection result normal? YES: GO TO 3 NO: Repair or replace harness between outside key antenna and Intelligent Key unit.
3. CHECK OUTSIDE KEY ANTENNA POWER SUPPLY Replace outside key antenna. (New antenna or other antenna) Connect Intelligent Key unit connector and outside key antenna connector. Check signal between Intelligent Key unit connector terminals 17, 19, 37 and ground with an oscilloscope. CONNECTOR TERMINAL SIGNAL CHART Connector Item Terminals Condition Signal (V) (Reference value) (+) (-) M70 Rear bumper 17 Ground Request switch is pushed LH side 19 RH side 37 Is the inspection result normal? YES: Replace outside key antenna. NO: Replace Intelligent Key unit. Refer to " «REMOVAL AND INSTALLATION»(ref-308565-S06235779862009021300000) ".

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1. CHECK STEERING LOCK SOLENOID POWER SUPPLY Turn ignition switch OFF. Disconnect steering lock solenoid connector. Check voltage between steering lock solenoid harness connector M15 terminal 1 and ground. 1 - Ground : Battery voltage Is the inspection result normal? YES: GO TO 2 NO: Repair or replace steering lock solenoid power supply circuit.
2. CHECK STEERING LOCK SOLENOID GROUND CIRCUIT Check continuity between steering lock solenoid harness connector M15 terminal 4 and ground. 4 - Ground : Continuity should exist. Is the inspection result normal? YES: GO TO 3 NO: Repair or replace the steering lock solenoid ground circuit.
3. CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL Connect steering lock solenoid connector. Check voltage between Intelligent Key unit harness connector M70 terminal 1 and ground. 1 - Ground : Approx. 5V Is the inspection result normal? YES: GO TO 4 NO: GO TO 6
4. CHECK STEERING LOCK COMMUNICATION SIGNAL Check signal between Intelligent Key unit connector M70 terminal 32 and ground with oscilloscope. CONNECTOR TERMINAL SIGNAL CHART Connector Terminals Condition Signal (V) (Reference value) (+) (-) M70 32 Ground Ignition switch is pushed Is the inspection result normal? YES: GO TO 5 NO: GO TO 6
5. CHECK STEERING LOCK SOLENOID COMMUNICATION CIRCUIT FOR OPEN Disconnect Intelligent Key unit and steering lock solenoid connectors. Check continuity between Intelligent Key unit harness connector (B) M70 terminals 1, 32 and steering lock solenoid connector (A) M15 terminals 2, 3. 1 - 2 : Continuity should exist. 32 - 3 : Continuity should exist. Is the inspection result normal? YES: Replace steering lock solenoid. After replacing steering lock solenoid, perform registration procedure. Refer to " «SYSTEM DESCRIPTION»(ref-308565-S24617064412009021300000) ". NO: Repair or replace harness between steering lock solenoid and Intelligent Key unit.
6. CHECK STEERING LOCK SOLENOID COMMUNICATION CIRCUIT FOR SHORT Disconnect Intelligent Key unit and steering lock solenoid connectors. Check continuity between steering lock solenoid connector M15 terminals 2, 3 and ground. 2 - Ground : Continuity should not exist. 3 - Ground : Continuity should not exist. Is the inspection result normal? YES: Replace Intelligent Key unit. Refer to " «REMOVAL AND INSTALLATION»(ref-308565-S06235779862009021300000) ". NO: Repair or replace harness between steering lock solenoid and Intelligent Key unit.

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1. CHECK A/T DEVICE (DETENTION SWITCH KEY) INPUT SIGNAL Turn ignition switch OFF. While pressing the ignition knob switch, check voltage between Intelligent Key unit harness connector M70 terminal 39 and ground. CONNECTOR TERMINAL VOLTAGE CHART Connector Terminals Condition Voltage (V) (Approx.) (+) (-) M70 39 Ground Selector lever is in "P" position Battery voltage Other than above 0 Is the inspection result normal? YES: Replace Intelligent Key unit. Refer to " «REMOVAL AND INSTALLATION»(ref-308565-S06235779862009021300000) ". NO: GO TO 2
2. CHECK A/T DEVICE (DETENTION SWITCH KEY) POWER SUPPLY CIRCUIT Disconnect A/T device (detention switch key) connector. While pressing the ignition knob switch, check voltage between A/T device (detention switch key) harness connector M203 terminal 5 and ground. 5 - Ground : Battery voltage. Is the inspection result normal? YES: GO TO 3 NO: Repair or replace harness or ignition knob switch.
3. CHECK A/T DEVICE (DETENTION SWITCH KEY) Check continuity between A/T device (detention switch key) terminals 5 and 6. CONNECTOR TERMINAL CONTINUITY CHART Component Terminals Condition Continuity A/T device (detention switch key) 5 6 Selector lever is in "P" position Yes Other than above No Is the inspection result normal? YES: GO TO 4 NO: Replace A/T device (detention switch key).
4. CHECK A/T DEVICE (DETENTION SWITCH KEY) CIRCUIT Disconnect Intelligent Key unit connector. Check continuity between Intelligent Key unit harness connector (A) M70 terminal 39 and A/T device (detention switch key) harness connector (B) M203 terminal 6. 39 - 6 : Continuity should exist. Check continuity between Intelligent Key unit harness connector (A) M70 terminals 39 and ground. 39 - Ground : Continuity should not exist. Is the inspection result normal? YES: A/T device (detention switch key) circuit is OK. NO: Repair or replace harness.

1. CHECK FUNCTION With CONSULT-III Check remote keyless entry receiver "RKE OPE COUN1" in Data Monitor mode with CONSULT-III. MONITOR ITEM CONDITION CHART Monitor item Condition RKE OPE COUN1 Checks whether value changes when operating Intelligent Key. Is the inspection result normal? YES: Remote keyless entry receiver is OK. NO: Refer to " «DIAGNOSIS PROCEDURE»(ref-308561-S22533178492009021300000) ".

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1. CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL Turn ignition switch OFF. Check remote keyless entry receiver signal with an oscilloscope. TERMINAL SIGNAL CHART Terminals Keyfob condition Signal (Reference value) (+) (-) Remote keyless entry receiver connector Terminal M25 2 Ground No function Any button is pressed Is the inspection result normal? YES: GO TO 2 NO: GO TO 5
2. REMOTE KEYLESS ENTRY RECEIVER VOLTAGE CIRCUIT INSPECTION Check voltage between remote keyless entry receiver connector M25 terminal 3 and ground using an oscilloscope. TERMINAL SIGNAL CHART Terminals Signal (Reference value) (+) (-) Remote keyless entry receiver connector Terminal M25 3 Ground Is the inspection result normal? YES: GO TO 3 NO: GO TO 5
3. REMOTE KEYLESS ENTRY RECEIVER 5-VOLT CIRCUIT INSPECTION Check voltage between remote keyless entry receiver connector M25 terminal 4 and ground. 4 - Ground : Approx. 5 volt. Is the inspection result normal? YES: GO TO 4 NO: GO TO 5
4. REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT INSPECTION Check continuity between remote keyless entry receiver connector M25 terminal 1 and ground. 1 - Ground : Continuity should exist. Is the inspection result normal? YES: Replace remote keyless entry receiver. Refer to " «REMOVAL AND INSTALLATION»(ref-308565-S06235779862009021300000) ". NO: GO TO 5
5. HARNESS INSPECTION BETWEEN INTELLIGENT KEY UNIT AND RKE RECEIVER Disconnect remote keyless entry receiver and Intelligent Key unit connectors. Check continuity between Intelligent Key unit connector (A) M70 terminals 8, 9, 21, 30 and remote keyless entry receiver connector (B) M25 terminals 1, 2, 3, 4. 1 - 8 : Continuity should exist. 2 - 9 : Continuity should exist. 3 - 21 : Continuity should exist. 4 - 30 : Continuity should exist. Check continuity between remote keyless entry receiver connector (B) M25 terminals 1, 2, 3, 4 and ground. 1 - Ground : Continuity should not exist. 2 - Ground : Continuity should not exist. 3 - Ground : Continuity should not exist. 4 - Ground : Continuity should not exist. Is the inspection result normal? YES: Remote keyless entry receiver circuits are OK. NO: Repair or replace the harness between the remote keyless entry receiver and Intelligent Key unit.

1. CHECK FUNCTION With CONSULT-III Check remote keyless entry receiver "RKE OPE COUN1" in DATA MONITOR mode with CONSULT-III. MONITOR ITEM CONDITION CHART Monitor item Condition RKE OPE COUN1 Check that the numerical value is changing while operating the Intelligent Key. Is the inspection result normal? YES: Intelligent Key is OK. NO: Refer to " «DIAGNOSIS PROCEDURE»(ref-308561-S40063011772009021300000) ".

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1. CHECK INTELLIGENT KEY BATTERY Check by connecting a resistance (approximately 300ohms) so that the current value becomes about 10 mA. Standard : Approx. 2.5 - 3.0V Is the measurement value within specification? YES: GO TO 2 NO: Replace Intelligent Key battery.
2. CHECK KEYFOB FUNCTION Check keyfob function using Remote Keyless Entry Tester J-43241. Does the test pass? YES: Keyfob is OK. NO: Replace keyfob. Refer to CONSULT-III Operation Service Information .

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1. REPLACE INTELLIGENT KEY BATTERY Release the lock knob at the back of the Intelligent Key and remove the mechanical key. Insert a flat-blade screwdriver (A) wrapped with a cloth into the slit of the corner and twist it to separate the upper part from the lower part. CAUTION: Do not touch the circuit board or battery terminal. The keyfob is water-resistant. However, if it does get wet, immediately wipe it dry. Replace the battery with new one. Align the tips of the upper and lower parts, and then push them together until it is securely closed. CAUTION: When replacing battery, keep dirt, grease, and other foreign materials off the electrode contact area. After replacing the battery, check that all Intelligent Key functions work properly. Is the inspection result normal? YES: Intelligent Key is OK. NO: Check remote keyless entry receiver. Refer to " «COMPONENT FUNCTION CHECK»(ref-308561-S30544664002009021300000) ".

Refer to CONSULT-III Operation Service Information .

1. CHECK FUNCTION Select "HORN" in "ACTIVE TEST" mode with CONSULT-III. Check the horn (high/low) operation. TEST ITEM DESCRIPTION Test item Description HORN ON Horn relay ON (for 20 ms) Is the operation normal? YES: INSPECTION END. NO: Go to " «DIAGNOSIS PROCEDURE»(ref-308561-S34360299452009021300000) ".

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1. CHECK HORN FUNCTION Check horn function with horn switch Do the horns sound? YES: GO TO 2 NO: Go to " «WIRING DIAGRAM»(ref-308599-S15980650472009021300000) ".
2. CHECK HORN RELAY POWER SUPPLY Turn ignition switch ON. Perform "ACTIVE TEST", "HORN" with CONSULT-Ill. Using an oscilloscope or analog voltmeter, check voltage between horn relay harness connector and ground. TERMINAL VOLTAGE CHART Horn relay Ground Test item Voltage (V) (Approx.) Connector Terminal H-1 1 Ground HORN ON Battery voltage --> 0 --> Battery voltage Other than above Battery voltage Is the inspection result normal? YES: GO TO 4 NO: GO TO 3
3. CHECK HORN RELAY CIRCUIT Turn ignition switch OFF. Disconnect IPDM E/R and horn relay connector. Check continuity between IPDM E/R harness connector and horn relay harness connector. CONNECTOR TERMINAL CONTINUITY CHART IPDM E/R Horn relay Continuity Connector Terminal Connector Terminal E122 45 H-1 1 Yes Check continuity between IPDM E/R harness connector and ground. CONNECTOR TERMINAL CONTINUITY CHART IPDM E/R Ground Continuity Connector Terminal E122 45 Ground No Is the inspection result normal? YES: GO TO 4 NO: Repair or replace harness.
4. CHECK INTERMITTENT INCIDENT Refer to " «INTERMITTENT INCIDENT»(ref-308548-S37833466262009021300000) ". Is the inspection result normal? YES: Replace IPDM E/R. Refer to " «REMOVAL AND INSTALLATION OF IPDM E/R»(ref-308572-S12865928442009021300000) ". NO: Repair or replace the malfunctioning part.

1. CHECK FUNCTION Turn ignition switch ON. Open driver door. Does the open door message appear on the LCD display? YES: Meter information display is OK. NO: Refer to " «DIAGNOSIS PROCEDURE»(ref-308561-S40962649552009021300000) ".

1. CHECK FUNCTION With CONSULT-III Check the operation with "INSIDE BUZZER" in the Active Test. Touch "TAKE OUT", "KNOB" or "KEY" on screen. Is the inspection result normal? Yes: Warning buzzer into combination meter is OK. No: Refer to " «DIAGNOSIS PROCEDURE»(ref-308561-S32603335212009021300000) ".

1. CHECK FUNCTION Check hazard warning lamp "FLASHER" in ACTIVE TEST. Is the inspection result normal? YES: Hazard warning lamp circuit is OK. NO: Refer to " «DIAGNOSIS PROCEDURE»(ref-308561-S40260119192009021300000) ".