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ADJUSTABLE PEDAL

I BODY

SECTION
ADJUSTABLE PEDAL
AP B

E
CONTENTS
PRECAUTIONS ......................................................... 2
. ADJUSTABLE PEDAL SYSTEM ............................... 3 . F
Precautions for Supplemental Restraint System Automatic Drive Positioner Interlocking Adjustable
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Pedal ....................................................................... 3
.
SIONER" ................................................................. 2
. Adjustable Pedal (Only Manual Operation Model)..... 3 G
Trouble Diagnosis Precaution ................................. 2 . Removal and Installation ....................................... 16 .

Revision: 2004 November AP-1 2004 Murano
PRECAUTIONS

PRECAUTIONS PFP:00001

Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" AIS003I6

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 the SRS and SB section of this Service Man-
ual.
WARNING:
q To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.
q Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
q Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Trouble Diagnosis Precaution AIS003I8

When you read wiring diagrams, refer to the following:
q GI-14, "How to Read Wiring Diagrams" in GI section
q PG-3, "POWER SUPPLY ROUTING CIRCUIT" in PG section
When you perform trouble diagnosis, refer to the following:
q GI-10, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES" in GI section
q GI-26, "How to Perform Efficient Diagnosis for an Electrical Incident" in GI section
Check for any service bulletins before servicing the vehicle.

Revision: 2004 November AP-2 2004 Murano
ADJUSTABLE PEDAL SYSTEM

ADJUSTABLE PEDAL SYSTEM PFP:98800
A
Automatic Drive Positioner Interlocking Adjustable Pedal AIS003I4

Automatic drive positioner interlocking adjustable pedal. Refer to SE-12, "AUTOMATIC DRIVE POSITIONER"
. B
Adjustable Pedal (Only Manual Operation Model) AIS002OE

SYSTEM DESCRIPTION
The pedal adjustable system is power supply controlled by pedal adjusting control unit. C
Power is at all times supplied
q through 50A fusible link [Letter F, located in the fuse block (J/B)],
q to BCM (Body control module) terminal 55. D
q through 10A fuse [No. 18, located in the fuse block (J/B)],
q through BCM terminal 42,
E
q through BCM terminal 54,
q to pedal adjusting control unit terminal 5.
q through 10A fuse [No. 21, located in the fuse block (J/B)], F
q to Key switch and key lock solenoid terminal 3.
With ignition key inserted, power is supplied
q through Key switch and key lock solenoid terminal 4, G
q to CVT device terminal 5.
With the ignition switch to ON position, power is supplied
H
q through 10A fuse [No. 12, located in the fuse block (J/B)],
q to pedal adjusting control unit terminal 4.
Ground is supplied AP
q to BCM terminal 49 and 52,
q through body grounds M14 and M78.
q to pedal adjusting control unit terminal 1, J
q through body grounds M14 and M78.
When the ignition key inserted and CVT selector lever is shifted to a position other than P-position, power is
supplied K
q through CVT device terminal 6,
q to pedal adjusting terminal 3.
Then pedal adjusting control unit recognizes that CVT selector lever is shifted to a position other than P-posi- L
tion.
When ignition switch to OFF position or ON position and CVT selector lever is shifted to P-position, power is
supplied M
q through pedal adjusting control unit terminal 7,
q to pedal adjusting switch terminal 64.
With power supplied, pedal adjusting switch is energized.
When pedal adjusting switch forward, power is supplied
q through pedal adjusting switch terminal 30,
q to pedal adjusting motor terminal 2.
Then ground is supplied
q to pedal adjusting motor terminal 1,
q through pedal adjusting switch terminal 15,
q through pedal adjusting switch terminal 48C,
q through body grounds B20 and B7.
With power and ground are supplied, accelerator and brake pedal moves forward.
When pedal adjusting switch backward, power is supplied
q through pedal adjusting switch terminal 15,

Revision: 2004 November AP-3 2004 Murano
ADJUSTABLE PEDAL SYSTEM

q to pedal adjusting motor terminal 1.
Then ground is supplied
q to pedal adjusting motor terminal 2,
q through pedal adjusting switch terminal 30,
q through pedal adjusting switch terminal 48C,
q through body grounds B20 and B7.
With power and ground are supplied, accelerator and brake pedal moves backward.
COMPONENT PARTS AND HARNESS CONNECTOR LOCATION

PIIB0882E

Revision: 2004 November AP-4 2004 Murano
ADJUSTABLE PEDAL SYSTEM

WIRING DIAGRAM --PEDAL--
A

TIWA0534E

Revision: 2004 November AP-5 2004 Murano
ADJUSTABLE PEDAL SYSTEM

TIWA0327E

Revision: 2004 November AP-6 2004 Murano
ADJUSTABLE PEDAL SYSTEM

TERMINAL AND REFERENCE VALUE FOR BCM
A
WIRE VOLTAGE (V)
TERMINAL ITEM CONDITION
COLOR (Approx)
42 GR BAT power supply Ignition switch OFF Battery voltage
B
49, 52 B Ground Ignition switch ON 0
54 W/R Adjustable pedal power supply Ignition switch OFF Battery voltage
55 W/B BAT power supply Ignition switch OFF Battery voltage C

TERMINAL AND REFERENCE VALUE FOR PEDAL ADJUSTING CONTROL UNIT
WIRE VOLTAGE (V) D
TERMINAL ITEM CONDITION
COLOR (Approx)
1 B Ground Ignition switch turn ON 0
Key switch ON E
Battery voltage
3 L Detention switch (key) signal Selector lever in other than P-position
Except the above 0
4 G Ignition power supply Ignition switch ON Battery voltage
F

5 W/R Battery power supply Ignition switch OFF Battery voltage
Ignition switch turn ON G
Pedal adjusting switch power supply 0
7 R Selector lever in other than P-position
output
Selector lever is shifted to P-position Battery voltage

WORK FLOW H
1. Check the symptom and customer's requests.
2. Perform the preliminary check. Refer to AP-7, "PRELIMINARY CHECK" .
AP
3. According to the trouble diagnosis chart, repair or replace the cause of the malfunction.
Refer to AP-8, "TROUBLE DIAGNOSIS CHART BY SYMPTOM" .
4. Does adjustable pedal system operate normally?
YES: GO TO 5. J
NO: GO TO 3.
5. INSPECTION END
K
PRELIMINARY CHECK
1. CHECK ADJUSTABLE PEDAL MECHANISM
L
Check the following.
q Movable part of accelerator pedal or brake pedal is deformed, or there is foreign material in it.
q Accelerator pedal or brake pedal is deformed or broken. M
OK or NG
OK >> Preliminary check is OK.
NG >> Repair the malfunctioning part and check again.

Revision: 2004 November AP-7 2004 Murano
ADJUSTABLE PEDAL SYSTEM

TROUBLE DIAGNOSIS CHART BY SYMPTOM
NOTE:
Always check the "Work Flow" before troubleshooting. Refer to AP-7, "WORK FLOW" .
Symptom Diagnoses / service procedure Refer to page
1. BCM power supply and ground circuit inspection AP-8
Pedal adjusting control unit supply and ground circuit
2. AP-10
inspection
No adjustable pedal system operates.
3. Pedal adjusting switch power supply and ground inspection AP-14
4. Pedal adjusting motor circuit inspection AP-15
5. Replace pedal adjusting motor AP-4
1. Key switch and CVT device circuit inspection AP-11
Adjustable pedal system does operate when igni-
tion switch turned ON and CVT selector lever is 2. Pedal adjusting control unit ignition signal inspection AP-9
other than P-position.
3. Replace pedal adjusting control unit AP-4
Adjustable pedal system does not operate when
ignition switch turned ON and CVT selector lever CVT device circuit inspection AP-16
is other than P-position.

BCM POWER SUPPLY AND GROUND CIRCUIT INSPECTION
1. CHECK FUSE
q Check 50A fusible link (letter F located in the fuse and fusible link box).
q Check 10A fuse [No. 18, located in the fuse block (J/B)],
NOTE:
Refer to AP-4, "COMPONENT PARTS AND HARNESS CONNECTOR LOCATION" .
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
3, "POWER SUPPLY ROUTING CIRCUIT"

2. CHECK BCM POWER SUPPLY
1. Turn ignition switch OFF.
2. Check voltage between BCM connector M35 terminal 42 (GR),
55 (W/B) and ground.
42 (GR) - Ground : Battery voltage
55 (W/B) - Ground : Battery voltage
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between fuse and BCM.
PIIB0879E

3. CHECK BCM GROUND CIRCUIT
Check continuity between BCM connector M35 terminal 49 (B), 52
(B) and ground.
49 (B) - Ground : Continuity should exist.
52 (B) - Ground : Continuity should exist.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace the harness between BCM and
ground.

PIIA6161E

Revision: 2004 November AP-8 2004 Murano
ADJUSTABLE PEDAL SYSTEM

4. CHECK BCM OUTPUT POWER SUPPLY CIRCUIT A
1. Disconnect BCM connector.
2. Check voltage between BCM connector M35 terminal 54 (W/R)
and ground. B

54 (W/R) - Ground : Battery voltage
OK or NG C
OK >> BCM power supply and ground circuit are OK.
NG >> Replace BCM.
D
PIIB0883E

PEDAL ADJUSTING CONTROL UNIT IGNITION SIGNAL INSPECTION
E
1. CHECK FUSE
1. Turn ignition switch OFF.
F
2. Check 10A fuse [No. 12, located in fuse block (J/B)]
NOTE:
Refer to AP-4, "COMPONENT PARTS AND HARNESS CONNECTOR LOCATION" . G
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG- H
3, "POWER SUPPLY ROUTING CIRCUIT" .

2. CHECK PEDAL ADJUSTING CONTROL UNIT IGNITION POWER SUPPLY CIRCUIT AP
1. Disconnect pedal adjusting control unit connector.
2. Turn ignition switch ON.
3. Check voltage between pedal adjusting control unit connector J
and ground.

Terminal (Wire color) Voltage (V) K
Connector Condition
(+) (-) (Approx.)

Turn ignition switch ON Battery voltage
M88 4(G) Ground L
Turn ignition switch OFF 0

OK or NG
PIIA7660E
OK >> Pedal adjusting control unit ignition signal is OK. M
NG >> Repair or replace the harness between pedal adjusting control unit and fuse block (J/B).

Revision: 2004 November AP-9 2004 Murano
ADJUSTABLE PEDAL SYSTEM

PEDAL ADJUSTING CONTROL UNIT POWER SUPPLY AND GROUND INSPECTION
1. CHECK PEDAL ADJUSTING CONTROL UNIT POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect pedal adjusting control unit connector.
3. Check voltage between pedal adjusting control unit connector
M88 terminal 5 (W/R) and ground.
5 (W/R) - Ground : Battery voltage
OK or NG
OK >> GO TO 2.
NG >> Repair or replace the harness between pedal adjusting
control unit and BCM.
PIIA7662E

2. CHECK PEDAL ADJUSTING CONTROL UNIT GROUND CIRCUIT
Check continuity between pedal adjusting control unit connector
M88 terminal 1 (B) and ground.
1 (B) - Ground : Continuity should exist.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness between pedal adjusting con-
trol unit and ground.

PIIA7663E

3. CHECK PEDAL ADJUSTING CONTROL UNIT OUTPUT POWER SUPPLY
1. Connect pedal adjusting control unit connector.
2. Check voltage between pedal adjusting control unit connector
M88 terminal 7 (R) and ground.
7 (R) - Ground : Battery voltage
OK or NG
OK >> Pedal adjusting control unit power supply and ground is
OK.
NG >> Replace pedal adjusting control unit.
PIIA7661E

Revision: 2004 November AP-10 2004 Murano
ADJUSTABLE PEDAL SYSTEM

KEY SWITCH AND CVT DEVICE CIRCUIT INSPECTION
A
1. CHECK FUSE
Check 10A fuse [No. 21, located in fuse block (J/B)]
NOTE: B
Refer to AP-4, "COMPONENT PARTS AND HARNESS CONNECTOR LOCATION" .
OK or NG
OK >> GO TO 2. C
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
3, "POWER SUPPLY ROUTING CIRCUIT" .
D
2. CHECK PEDAL ADJUSTING CONTROL UNIT INPUT SIGNAL
1. Disconnect pedal adjusting control unit connector.
E
2. Key is inserted in ignition key cylinder.
3. Check voltage between pedal adjusting control unit connector
and ground.
F
Terminal (Wire color)
Connector Condition Voltage (V) (Approx.)
(+) (-)
G
P-position 0
M88 3 (L) Ground
Other than P-position. Battery voltage
PIIA7664E
OK or NG H
OK >> Key switch and CVT device circuit is OK.
NG >> GO TO 3.
AP
3. CHECK KEY SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
J
2. Key is removed from ignition key cylinder.
3. Check voltage between key switch and key lock solenoid con-
nector M28 terminal 3 (Y/R) and ground.
K
3 (Y/R) - Ground : Battery voltage.
OK or NG
OK >> GO TO 4. L
NG >> Repair or replace harness between key switch and key
lock solenoid and fuse.
PIIA3286E
M
4. CHECK KEY SWITCH
Check continuity between key switch and key lock solenoid (key
switch) as follows.
Terminals Condition Continuity
Key is inserted in ignition key cylinder. Yes
3 4
Key is removed from ignition key cylinder. No
OK or NG
OK >> GO TO 5.
NG >> Replace key switch and key lock solenoid.
PIIA3044E

Revision: 2004 November AP-11 2004 Murano
ADJUSTABLE PEDAL SYSTEM

5. CHECK CVT DEVICE POWER SUPPLY CIRCUIT
1. Disconnect CVT device connector.
2. Connect key switch and key lock solenoid connector.
3. Key is inserted in ignition key cylinder.
4. Check voltage between CVT device connector M57 terminal 5
(B/R) and ground.
5 (B/R) - Ground : Battery voltage.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6. PIIA8451E

6. CHECK CVT DEVICE HARNESS
1. Key is removed from ignition key cylinder.
2. Disconnect key switch and key lock solenoid connector.
3. Check continuity between CVT device connector M57 terminal 5
(B/R) and key switch and key lock solenoid (key switch) connec-
tor M28 terminal 4 (B/R).
5 (B/R) - 4 (B/R) : Continuity should exist.
4. Check continuity between CVT device connector M57 terminal 5
(B/R) and ground.
5 (B/R) - Ground : Continuity should not exist. PIIA4565E

OK or NG
OK >> Check the condition the harness and connector.
NG >> Repair or replace harness between key switch and key lock solenoid and CVT device connector.

7. CHECK CVT DEVICE
Check continuity between CVT device as follows.
Terminals Condition Continuity
P-position. Continuity should not exist.
5 6
Other than P-position. Continuity should exist.

OK or NG
OK >> GO TO 8.
NG >> Replace CVT device.

PIIA4566E

Revision: 2004 November AP-12 2004 Murano
ADJUSTABLE PEDAL SYSTEM

8. CHECK PEDAL ADJUSTING CONTROL UNIT HARNESS A
1. Disconnect pedal adjusting control unit connector.
2. Connect key switch and key lock solenoid connector.
3. Check voltage between CVT device connector M57 terminal 6 B
(L) and pedal adjusting control unit connector M88 terminal 3
(L).
C
6 (L) - 3 (L) : Continuity should exist.
4. Check voltage between CVT device connector M57 terminal 6
(L) and ground. D
6 (L) - Ground : Continuity should not exist. PIIA8452E

OK or NG
E
OK >> Check the condition of the harness and connector.
NG >> Repair or replace harness between CVT device and pedal adjusting control unit.

Revision: 2004 November AP-13 2004 Murano
ADJUSTABLE PEDAL SYSTEM

PEDAL ADJUSTING SWITCH POWER SUPPLY AND GROUND INSPECTION
1. CHECK PEDAL ADJUSTING SWITCH POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect pedal adjusting switch connector.
3. Check voltage between pedal adjusting switch connector B306
terminal 64 (GY) and ground.
64 (GY) - Ground : Battery voltage.

OK >> GO TO 3.
NG >> GO TO 2.
PIIA7666E

2. CHECK PEDAL ADJUSTING SWITCH HARNESS
1. Disconnect pedal adjusting control unit connector.
2. Check continuity between pedal adjusting control unit connector
M88 terminal 7 (R) and pedal adjusting switch connector B306
terminal 64 (GY).
7 (R) - 64 (GY) : Continuity should exist.
3. Check continuity between pedal adjusting control unit connector
M88 terminal 7 (R) and ground.
7 (R) - Ground : Continuity should not exist.
OK or NG PIIA7667E

OK >> Check the condition of the harness and connector.
NG >> Repair or replace harness between pedal adjusting control unit and pedal adjusting switch.

3. CHECK PEDAL ADJUSTING SWITCH GROUND CIRCUIT INSPECTION
Check continuity pedal adjusting switch connector B306 terminal
48C (B) and ground.
48C (B) - Ground : Continuity should exist.
OK or NG
OK >> Pedal adjusting switch power supply and ground circuit
is OK.
NG >> Repair or replace the harness between pedal adjusting
switch and ground.

PIIA7668E

Revision: 2004 November AP-14 2004 Murano
ADJUSTABLE PEDAL SYSTEM

PEDAL ADJUSTING MOTOR CIRCUIT INSPECTION
A
1. CHECK PEDAL ADJUSTING SWITCH
1. Turn ignition switch OFF.
2. Disconnect pedal adjusting switch connector. B
3. Check continuity between pedal adjusting switch as follows.

Terminals Condition Continuity C
pedal adjusting switch forward. Continuity should exist.
64
pedal adjusting switch neutral. Continuity should not exist.
30 D
pedal adjusting switch backward. Continuity should exist.
48C
pedal adjusting switch neutral. Continuity should not exist
PIIA7669E
pedal adjusting switch backward. Continuity should exist. E
64
pedal adjusting switch neutral. Continuity should not exist.
15
pedal adjusting switch forward. Continuity should exist.
48C F
pedal adjusting switch neutral. Continuity should not exist.

OK or NG
OK >> GO TO 2. G
NG >> Replace pedal adjusting switch.

2. CHECK PEDAL ADJUSTING MOTOR HARNESS H
1. Disconnect pedal adjusting motor connector.
2. Check continuity between pedal adjusting switch connector
B306 terminal 15 (G/W), 30 (L/W) and pedal adjusting motor AP
connector E113 terminal 1 (L/Y), 2 (L/R).
15 (G/W) - 1 (L/Y) : Continuity should exist.
J
30 (L/W) - 2 (L/R) : Continuity should exist.
3. Check continuity between pedal adjusting switch connector
B306 terminal 15 (G/W), 30 (L/W) and ground. K
15 (G/W) - Ground : Continuity should not exist. PIIA7670E

30 (L/W) - Ground : Continuity should not exist.
L
OK or NG
OK >> Pedal adjusting motor circuit is OK.
NG >> Repair or replace harness between pedal adjusting switch and pedal adjusting motor. M

Revision: 2004 November AP-15 2004 Murano
ADJUSTABLE PEDAL SYSTEM

CVT DEVICE CIRCUIT INSPECTION
1. CHECK CVT DEVICE
1. Turn ignition switch OFF.
2. Disconnect CVT device connector.
3. Check continuity between CVT device as follows.

Terminals Condition Continuity
P-position. Continuity should not exist.
5 6
Other than P-position. Continuity should exist.
OK or NG
OK >> GO TO 2.
NG >> Replace CVT device.
PIIA4566E

2. CHECK PEDAL ADJUSTING CONTROL UNIT HARNESS
1. Disconnect pedal adjusting control unit connector.
2. Connect key switch connector and key lock solenoid connector.
3. Check voltage between CVT device connector M57 terminal 6
(L) and ground.
6 (L) - Ground : Continuity should not exist.
OK or NG
OK >> Replace pedal adjusting control unit.
NG >> Repair or replace harness between CVT device and
pedal adjusting control unit.
PIIA7671E

Removal and Installation AIS004VZ

Refer to BR-8, "Removal and Installation" .

Revision: 2004 November AP-16 2004 Murano

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