Nissan Murano Z50 (2006 year). Manual - part 35

 

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Nissan Murano Z50 (2006 year). Manual - part 35

 

 

INTELLIGENT KEY SYSTEM

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2. 

CHECK OUTSIDE KEY ANTENNA CIRCUIT

1.

Disconnect Intelligent Key unit connector and outside key antenna (door mirror) connector.

2.

Check continuity between each outside key antenna harness connector and Intelligent Key unit connec-
tor.

3.

Check continuity between each outside key antenna connector
and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Replace harness between outside key antenna and

Intelligent Key unit.

Item

Connector

Terminal

(Wire color)

Connector

Terminal

(Wire color)

Continuity

Door mirror 
(passenger 
side)

D32

1 (LG)

M99

37 (LG)

Yes

12 (B/Y)

38 (B/Y)

Rear door 
RH

D77

1 (LG)

37 (LG)

2 (B/Y)

38 (B/Y)

Item

Connector

Terminal

Continuity

Door mirror
(passenger side)

D32

1 (LG) 

Ground

No

12 (B/Y)

Rear door RH

D77

1 (LG) 

2 (B/Y) 

PIIB4618E

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INTELLIGENT KEY SYSTEM

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3. 

CHECK OUTSIDE KEY ANTENNA POWER SUPPLY

1.

Replace outside key antenna (door mirror). (New antenna or other antenna)

2.

Connect Intelligent Key unit connector and outside key antenna (door mirror) connector.

3.

Check signal between Intelligent Key unit connector and ground
with oscilloscope.

4.

Disconnect outside key antenna (door mirror) connector.

5.

Replace outside key antenna (rear door RH). (New antenna or other antenna)

6.

Connect outside key antenna (rear door RH) connector.

7.

Check signal between Intelligent Key unit connector and ground with oscilloscope.

OK or NG

OK

>> Check condition of harness and connector.

NG

>> Replace malfunction outside key antenna.

CHECK OUTSIDE KEY ANTENNA (REAR BUMPER)

1. 

CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Check signal between Intelligent Key unit connector and ground with oscilloscope.

OK or NG

OK

>> Check condition of harness and connector.

NG

>> GO TO 2.

Con-

nec-

tor

Item

Terminal

(wire color)

Condi-

tion

Signal

(Reference value)

(+)

(-)

M99

Passenger 
side

37

(LG)

Ground

Request 
switch is 
pushed

Con-

nec-

tor

Item

Terminal

(wire color)

Condi-

tion

Signal

(Reference value)

(+)

(-)

M99

Passenger 
side

37

(LG)

Ground

Request 
switch is 
pushed

PIIB4617E

SIIA1910J

SIIA1910J

Con-

nec-

tor

Item

Terminal

(wire color)

Condi-

tion

Signal

(Reference value)

(+)

(-)

M99

Rear 
bumper

17 

(W/L)

Ground

Request 
switch is 
pushed

PIIB4619E

SIIA1910J

INTELLIGENT KEY SYSTEM

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2. 

CHECK OUTSIDE KEY ANTENNA CIRCUIT

1.

Disconnect Intelligent Key unit connector and outside key antenna (rear bumper) connector.

2.

Check continuity between outside key antenna (rear bumper) connector and Intelligent Key unit connec-
tor.

3.

Check continuity between outside key antenna harness connec-
tor and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Replace harness between outside key antenna and Intelligent Key unit.

3. 

CHECK OUTSIDE KEY ANTENNA POWER SUPPLY

1.

Replace outside key antenna (rear bumper). (New antenna or other antenna)

2.

Connect Intelligent Key unit connector and outside key antenna connector.

3.

Check signal between Intelligent Key unit connector and ground
with oscilloscope.

OK or NG

OK

>> Replace outside key antenna (rear bumper).

NG

>> Replace Intelligent Key unit.

Item

Connec-

tor

Terminal

(Wire color)

Connec-

tor

Terminal

(Wire color)

Continuity

Rear 
bumper

B38

1 (W)

M99

17 (W)

Yes

2 (B)

18 (B)

Item

Connector

Terminal

Continuity

Rear bumper

B38

1 (W) 

Ground

No

2 (B)

PIIB4620E

Con-

nec-

tor

Item

Terminal

(wire color)

Condi-

tion

Signal

(Reference value)

(+)

(-)

M99

Rear 
bumper

17 

(W)

Ground

Request 
switch is 
pushed

PIIB4619E

SIIA1910J

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INTELLIGENT KEY SYSTEM

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Check Inside Key Antenna

NIS00182

1. 

CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL 1

1.

Turn ignition switch OFF.

2.

Check signal between Intelligent Key unit connector and ground with oscilloscope.

OK or NG

OK

>> Inside key antenna is OK.

NG

>> GO TO 2.

2. 

CHECK INSIDE KEY ANTENNA

1.

Disconnect Intelligent Key unit connector and inside key antenna connectors.

2.

Check continuity between inside key antenna harness connector M102 (Console), M109 (dashboard),
B122 (luggage room) terminals 1, 2 and Intelligent Key unit harness connector M99 terminals 13, 14, 15,
16, 35 and 36.

3.

Check continuity between inside key antenna harness connec-
tor M102 (Console), M109 (dash board), B122 (luggage room) terminals 1, 2 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between inside key antenna and Intelligent Key unit.

Con-

nec-

tor

Item

Terminal

(Wire color)

Condi-

tion

Signal (V)

(Reference value)

(+)

(–)

M99

Luggage 
room

13 (Y)

Ground

Ignition 
switch 
is 
pushed.

Console

15 (L)

Dash-
board

35 (O)

PIIA6753E

SIIA1910J

Item

Connec-

tor

Terminal

(Wire color)

Connec-

tor

Terminal

(Wire color)

Continuity

Luggage room

B122

1 (W)

M99

13 (Y)

Yes

2 (B)

14 (BR)

Console

M102

1 (B/W)

15 (L)

2 (L)

16 (B/W)

Dashboard

M109

1 (O)

35 (O)

2 (B/P)

36 (B/P)

Item

Connector

Terminal

(Wire color)

Continuity

Luggage room

B122

1 (W)

Ground

No

2 (B)

Console

M102

1 (B/W)

2 (L)

Dashboard

M109

1 (O)

2 (B/P)

PIIB4614E

INTELLIGENT KEY SYSTEM

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3. 

CHECK INSIDE KEY ANTENNA POWER SIGNAL 2

1.

Replace inside key antenna. (New antenna or other antenna)

2.

Connect Intelligent key unit connector.

3.

Check signal between Intelligent Key unit connector and ground
with oscilloscope.

OK or NG

OK

>> Replace inside key antenna.

NG

>> Replace Intelligent key unit.

Check Steering Lock Unit

NIS00183

1. 

CHECK STEERING LOCK UNIT POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect steering lock unit connector.

3.

Check voltage between steering lock unit harness connector M101 terminal 1 and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair or replace steering lock unit power supply circuit.

Con-

nec-

tor

Item

Terminal

(Wire color)

Condi-

tion

Signal (V)

(Reference value)

(+)

(–)

M99

Luggage 
room

13 (Y)

Ground

Ignition 
switch 
is 
pushed.

Console

15 (L)

Dash-
board

35 (O)

PIIA6753E

SIIA1910J

1 (G/Y) - Ground

: Battery voltage

PIIA6797E

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INTELLIGENT KEY SYSTEM

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2. 

CHECK STEERING LOCK UNIT COMMUNICATION CIRCUIT

1.

Disconnect Intelligent Key unit connector.

2.

Check continuity between Intelligent Key unit harness connector M99 terminals 1, 31, 32 and steering
lock unit connector M101 terminals 2, 3, 4.

3.

Check continuity between steering lock unit harness connector
M99 terminals 2, 3, 4 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between steering lock unit and Intelligent Key unit.

3. 

CHECK STEERING LOCK UNIT GROUND CIRCUIT

1.

Connect intelligent key unit and steering lock unit connectors.

2.

Check continuity between steering lock unit harness connector M101 terminal 4 and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Replace intelligent key unit.

4. 

CHECK STEERING LOCK COMMUNICATION CIRCUIT

Check voltage between steering lock unit connector M101 terminal 2 and ground.

OK or NG

OK

>> GO TO 5.

NG

>> Replace intelligent key unit.

1 (L/Y) - 2 (L/Y)

: Continuity should exist.

31 (G/R) - 4 (G/R)

: Continuity should exist.

32 (L/O) - 3 (L/O)

: Continuity should exist.

2 (L/Y) - Ground

: Continuity should not exist.

3 (L/O) - Ground

: Continuity should not exist.

4 (G/R) - Ground

: Continuity should not exist.

PIIA6799E

4 (G/R) - Ground

: Continuity should exist.

PIIB4621E

2 (L/Y) - Ground

: Approx. 5V

PIIB4622E

INTELLIGENT KEY SYSTEM

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5. 

CHECK STEERING LOCK UNIT SIGNAL

Immediately after pushing ignition switch, use an oscilloscope to check signal between steering lock unit con-
nector M101 terminal 3 and ground.

OK or NG

OK

>> Replace steering lock unit.

NG

>> Replace Intelligent Key unit.

Check Stop Lamp Switch

NIS00184

1. 

CHECK INTELLIGENT KEY UNIT INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect Intelligent Key unit connector.

3.

Check voltage between Intelligent Key unit harness connector
M99 terminal 26 and ground.

OK or NG

OK

>> Stop lamp switch is OK.

NG

>> GO TO 2.

2. 

CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT

Check voltage between stop lamp switch harness connector E116
terminal 3 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between stop lamp switch

power supply circuit and fuse.

Con-

nector

Terminal

(Wire color)

Condition

Signal (V)

(Reference value)

(+)

(–)

M101

3 (L/O)

Ground

Ignition 
switch is 
pushed

PIIB4623E

SIIA1911J

Connector

Terminal

(wire color)

Condition

Voltage (V)

(Approx.)

(+)

(-)

M99

26 (R/G)

Ground

Brake pedal 

depressed

Battery volt-

age

Brake pedal 

released

0

PIIB4346E

3 (R/Y) - Ground

: Battery voltage

PIIB7850E

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INTELLIGENT KEY SYSTEM

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3. 

CHECK STOP LAMP SWITCH OPERATION

Check continuity between stop lamp switch connector E116 terminal
3 and 4.

OK or NG

OK

>> GO TO 4.

NG

>> Replace stop lamp switch.

4. 

CHECK STOP LAMP SWITCH CIRCUIT

1.

Check continuity between Intelligent Key unit harness connector
M99 terminal 26 and stop lamp switch harness connector E116
terminal 4.

2.

Check continuity between Intelligent Key unit harness connector
M99 terminal 26 and ground.

OK or NG

OK

>> Check condition of harness and connector.

NG

>> Repair or replace harness.

Check Park Position Switch

NIS00185

1. 

CHECK PARK POSITION SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Check voltage between Intelligent Key unit harness connector and ground.

OK or NG

OK

>> Park position switch circuit is OK.

NG

>> GO TO 2.

Connector

Terminal

Condition

Continuity

E116

3

4

Brake pedal depressed

Yes

Brake pedal not 
depressed

No

PIIB7851E

26 (R/G) - 4 (R/G)

: Continuity should exist.

26 (R/G) - Ground

: Continuity should not exist.

PIIB7852E

Connector

Terminal

(Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(-) 

M99

39 (L/W)

Ground

Selector lever is in “P” position

0

Other than above

Battery voltage

PIIA6805E

INTELLIGENT KEY SYSTEM

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2. 

CHECK PARK POSITION SWITCH

1.

Disconnect CVT device (detention switch) connector.

2.

Check continuity between CVT device (detention switch) terminals 13 and 14.

OK or NG

OK

>> GO TO 3.

NG

>> Check CVT shift lock system. Refer to 

CVT-213, "CVT

SHIFT LOCK SYSTEM"

 .

3. 

CHECK PARK POSITION SWITCH POWER SUPPLY CIRCUIT

Check continuity between CVT device (detention switch) harness
connector M57 terminal 13 and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness.

4. 

CHECK PARK POSITION SWITCH CIRCUIT

1.

Disconnect Intelligent Key unit connector.

2.

Check continuity between Intelligent Key unit harness connector
M99 terminal 39 and CVT device (detention switch) harness
connector M57 terminal 14.

3.

Check continuity between Intelligent Key unit harness connector
M75 terminals 39 and ground.

OK or NG

OK

>> Replace Intelligent Key unit.

NG

>> Repair or replace harness.

Connector

Terminal

Condition

Continuity

M57

13

14

Selector lever is in “P” position

No

Other than above

Yes

PIIB4627E

13 (R/Y) – Ground

: Battery voltage 

PIIB4628E

39 (L/W) – 14 (L/W)

: Continuity should exist.

39 (L/W) – Ground

: Continuity should not exist.

PIIB4629E

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Check Select Unlock Relay

NIS00186

1. 

CHECK PASSENGER SIDE SELECT UNLOCK RELAY INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Check voltage between Intelligent Key unit harness connector and ground.

OK or NG

OK

>> Passenger side select unlock relay circuit is OK.

NG

>> GO TO 2.

2. 

CHECK PASSENGER SIDE SELECT UNLOCK RELAY POWER SUPPLY CIRCUIT

1.

Disconnect passenger side select unlock relay.

2.

Check voltage between passenger side select unlock harness connector M123 terminal 2 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace passenger side select unlock relay

power circuit.

3. 

CHECK PASSENGER SIDE SELECT UNLOCK RELAY

Check continuity between passenger side select unlock relay terminals 3 and 4.

OK or NG

OK

>> GO TO 4

NG

>> Replace passenger side select unlock relay.

Con-

nector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

M99

40 (L/R)

Ground

Press door request switch 
(passenger side) once

0

Other than above

Battery voltage

PIIB4352E

2 (Y/R) – Ground

: Battery voltage.

PIIB4353E

Connector

Terminals

Condition

Continuity 

M123

3

4

12V direct current supply 
between terminals 1 and 2

Yes

Other than above

No

PIIB4355E

INTELLIGENT KEY SYSTEM

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4. 

CHECK PASSENGER SIDE SELECT UNLOCK RELAY CIRCUIT

1.

Disconnect Intelligent Key unit connector.

2.

Check continuity between Intelligent Key unit harness connector M99 terminal 40 and passenger side
select unlock relay harness connector M123 terminal 1.

3.

Check continuity between Intelligent Key unit harness connector
M99 terminal 40 and ground.

OK or NG

OK

>> Check condition of harness and connector.

NG

>> Repair or replace harness between Intelligent Key unit

and passenger side select unlock relay.

Check “P-SHIFT” Warning Lamp

NIS00187

1. 

CHECK WARNING LAMP OPERATION

 With CONSULT-II

●

Check “INDICATOR” in “ACTIVE TEST” mode with CONSULT-
II.

●

Select “KNOB ON”.

“P-SHIFT” warning lamp should illuminate.

 Without CONSULT-II

Check voltage between Intelligent Key unit harness connector M99 terminal 21 and ground.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 2.

40 (L/R) – 1 (L/R)

: Continuity should exist.

40 (L/R) – Ground

: Continuity should not exist.

PIIB4354E

PIIB4356E

Connec-

tor

Terminal

(Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(-)

M99

21

(BR/Y)

Ground

Within 2 seconds after 
ignition knob switch is 
turned ON

0

Other than above

Battery voltage

PIIB4357E

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2. 

CHECK COMBINATION METER CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect Intelligent Key unit connector and combination meter connector.

3.

Check continuity Intelligent Key unit harness connector M99 ter-
minal 21 and combination meter harness connector M25 termi-
nal 13.

4.

Check continuity Intelligent Key unit harness connector M99 ter-
minal 21 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between Intelligent Key unit

and combination meter.

3. 

CHECK INTELLIGENT KEY UNIT INPUT SIGNAL

1.

Connect combination meter connector.

2.

Check voltage between Intelligent Key unit harness connector
M99 terminal 21 and ground.

OK or NG

OK

>> Check condition of harness and connector.

NG

>> Check combination meter. Refer to 

DI-4, "COMBINA-

TION METERS"

 .

21 (BR/Y) - 13 (BR/Y)

: Continuity should exist.

21(BR/Y) - Ground

: Continuity should not exist.

PIIB4630E

21 (BR/Y) - Ground

: Batter voltage

PIIB4633E

INTELLIGENT KEY SYSTEM

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Check “KEY” Warning Lamp (RED)

NIS00188

1. 

CHECK WARNING LAMP OPERATION

 With CONSULT-II

●

Check “INDICATOR” in “ACTIVE TEST” mode with CONSULT-
II.

●

Select “RED ON”.

“KEY” warning lamp (red) should illuminate.

 Without CONSULT-II

Check voltage between Intelligent Key unit harness connector M99 terminal 9 and ground.

 OK or NG

OK

>> INSPECTION END

NG

>> GO TO 2.

2. 

CHECK COMBINATION METER CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect Intelligent Key unit connector and combination meter connector.

3.

Check continuity Intelligent Key unit harness connector M99 ter-
minal 9 and combination meter harness connector M25 terminal
7.

4.

Check continuity Intelligent Key unit harness connector M99 ter-
minal 9 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between Intelligent Key unit

and combination meter.

PIIB4356E

Connec-

tor

Terminal

(Wire cooler)

Condition

Voltage (V)

(Approx.)

(+)

(-)

M99

9 (G/B)

Ground

When Intelligent Key is 
outside vehicle, press 
ignition switch.

0

Ignition switch OFF

Battery voltage

PIIB4359E

9 (G/B) - 7 (G/B)

: Continuity should exist.

9 (G/B) - Ground

: Continuity should not exist.

PIIB4631E

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INTELLIGENT KEY SYSTEM

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3. 

CHECK INTELLIGENT KEY UNIT INPUT SIGNAL

1.

Connect combination meter connector.

2.

Check voltage between Intelligent Key unit harness connector
M99 terminal 9 and ground.

OK or NG

OK 

>> Check condition of harness and connector.

NG

>> Check combination meter. Refer to 

DI-4, "COMBINA-

TION METERS"

 .

Check “KEY” Warning Lamp (GREEN)

NIS00189

1. 

CHECK WARNING LAMP OPERATION

 With CONSULT-II

●

Check “INDICATOR” in “ACTIVE TEST” mode with CONSULT-
II.

●

Select “BLUE ON”.

“KEY”warning lamp (green) should illuminate.

 Without CONSULT-II

Check voltage between Intelligent Key unit harness connector M99 terminal 8 and ground.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 2.

9 (G/B) - Ground

: Batter voltage 

PIIB4632E

PIIB4356E

Connec-

tor

Terminal

(Wire cooler)

Condition

Voltage (V)

(Approx.)

(+)

(-)

M99

8 (L/W)

Ground

When Intelligent Key is 
inside vehicle, press 
ignition switch.

0

Ignition switch OFF

Battery voltage

PIIB4383E

INTELLIGENT KEY SYSTEM

BL-169

C

D

E

F

G

H

J

K

L

M

A

B

BL

Revision: 2006 August

2006 Murano

2. 

CHECK COMBINATION METER CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect Intelligent Key unit connector and combination meter connector.

3.

Check continuity Intelligent Key unit harness connector M99 ter-
minal 8 and combination meter harness connector M25 terminal
8.

4.

Check continuity Intelligent Key unit harness connector M99 ter-
minal 8 and ground.

 OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between Intelligent Key unit

and combination meter.

3. 

CHECK INTELLIGENT KEY UNIT INPUT SIGNAL

1.

Connect combination meter connector.

2.

Check voltage between Intelligent Key unit harness connector
M99 terminal 8 and ground.

OK or NG

OK

>> Check condition of harness and connector.

NG

>> Check combination meter. Refer to 

DI-4, "COMBINA-

TION METERS"

 .

Check Hazard Function

NIS0018A

1. 

CHECK HAZARD WARNING LAMP

Does hazard warning lamp flash with hazard switch?

YES or NO

YES

>> Hazard warning lamp circuit is OK.

NO

>> Check  hazard circuit. Refer to 

LT-114, "TURN SIGNAL AND HAZARD WARNING LAMPS"

 .

Check Horn Function

NIS0018B

First perform the “SELF-DIAG RESULTS” in “BCM” with CONSULT-II, then perform the trouble diagnosis of
malfunction system indicated “SELF-DIAG RESULTS” of “BCM”. Refer to 

BCS-13, "CAN Communication

Inspection Using CONSULT-II (Self-Diagnosis)"

 .

1. 

CHECK HORN FUNCTION

Does horn sound with horn switch?

YES or NO

YES

>> Horn circuit is OK.

NO

>> Check horn circuit. Refer to 

WW-56, "HORN"

 .

8 (L/W) - 8 (L/W)

: Continuity should exist.

8 (L/W) - Ground

: Continuity should not exist.

PIIB4634E

8 (L/W) - Ground

: Batter voltage 

PIIB4635E

BL-170

INTELLIGENT KEY SYSTEM

Revision: 2006 August

2006 Murano

Check IPDM E/R Operation

NIS0018C

1. 

CHECK IPDM E/R INPUT SIGNAL

Check voltage between IPDM E/R harness connector E9 terminal 51 and ground.

OK or NG

OK

>> Replace IPDM E/R.

NG

>> GO TO 2.

2. 

CHECK IPDM E/R CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R and horn relay connector.

3.

Check continuity between IPDM E/R harness connector E9 terminal 51 and horn relay harness connector
E11 terminal 1.

4.

Check continuity between IPDM E/R harness connector E9 ter-
minal 51 and ground.

OK or NG

OK

>> Check harness connection.

NG

>> Repair or replace harness.

Removal and Installation of Intelligent Key Unit

NIS0018D

REMOVAL

1.

Remove the instrument passenger lower panel assembly. Refer to 

IP-11, "Removal and Installation"

 .

2.

Disconnect Intelligent Key unit connector, remove nut (A) and
Intelligent Key unit (1).

INSTALLATION

Installation is the reverse order of removal.

51 (G/O) – Ground

: Battery voltage

PIIA6403E

51 (G/O) – 1 (G/O)

: Continuity should exist.

51 (G/O) – Ground

: Continuity should not exist.

PIIB4957E

PIIB8707E

 

 

 

 

 

 

 

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