Nissan Murano Z50 (2007 year). Manual - part 50

 

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Nissan Murano Z50 (2007 year). Manual - part 50

 

 

TROUBLE DIAGNOSIS

CVT-61

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CVT

Revision: 2006 July

2007 Murano

SELF-DIAGNOSTIC RESULT MODE

After performing self-diagnosis, place check marks for results on the 

CVT-36, "DIAGNOSTIC WORKSHEET"

 .

Reference pages are provided following the items.

Operation Procedure

1.

Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE”
screen.
Display shows malfunction experienced since the last erasing
operation.

Display Items List

X: Applicable

—: Not applicable

BCIA0031E

Items (CONSULT-
II screen terms)

Malfunction is detected when...

TCM self-

diagnosis

OBD-II (DTC)

Reference 

page

 “TRANS-

MISSION” 
with CON-

SULT-II

MIL indicator 

lamp*, 

“ENGINE” with 

CONSULT-II or 

GST

CAN COMM CIR-
CUIT

When TCM is not transmitting or receiving CAN communica-
tion signal for 2 seconds or more.

U1000

U1000

CVT-68

STARTER RELAY/
CIRC

If this signal is ON other than in P or N position, this is 
judged to be a malfunction.
(And if it is OFF in P or N position, this is judged to be a mal-
function too.)

P0615

CVT-71

BRAKE SW/CIRC

When the brake switch does not switch to ON or OFF

P0703

CVT-75

PNP SW/CIRC

PNP switch 1-4 signals input with impossible pattern

PNP switch 3 monitor terminal open or short circuit

P0705

P0705

CVT-77

ATF TEMP SEN/
CIRC

During running, the CVT fluid temperature sensor signal volt-
age is excessively high or low

P0710

P0710

CVT-84

INPUT SPD SEN/
CIRC

Input speed sensor (primary speed sensor) signal is not 
input due to an open circuit.

An unexpected signal is input when vehicle is being 
driven.

P0715

P0715

CVT-89

VEH SPD SEN/
CIR AT

Signal from vehicle speed sensor CVT [Output speed sen-
sor (Secondary speed sensor)] not input due to open or 
short circuit

Unexpected signal input during running

P0720

P0720

CVT-94

ENGINE SPEED 
SIG

TCM does not receive the CAN communication signal from 
the ECM.

P0725

CVT-100

BELT DAMG

Unexpected gear ratio detected

P0730

CVT-102

TCC SOLENOID/
CIRC

Normal voltage not applied to solenoid due to open or short 
circuit

P0740

P0740

CVT-104

A/T TCC S/V 
FNCTN

CVT cannot perform lock-up even if electrical circuit is 
good.

TCM detects as irregular by comparing difference value 
with slip rotation.

P0744

P0744

CVT-109

CVT-62

TROUBLE DIAGNOSIS

Revision: 2006 July

2007 Murano

L/PRESS SOL/
CIRC

Normal voltage not applied to solenoid due to open or 
short circuit

TCM detects as irregular by comparing target value with 
monitor value.

P0745

P0745

CVT-112

PRS CNT SOL/A 
FCTN

Unexpected gear ratio was detected in the LOW side due to 
excessively low line pressure.

P0746

P0746

CVT-117

PRS CNT SOL/B 
FCTN

Secondary pressure is too high or too low compared with the 
commanded value while driving.

P0776

P0776

CVT-120

PRS CNT SOL/B 
CIRC

Normal voltage not applied to solenoid due to cut line, 
short, or the like

TCM detects as irregular by comparing target value with 
monitor value.

P0778

P0778

CVT-123

MANUAL MODE 
SWITCH

When an impossible pattern of switch signals is detected, a 
malfunction is detected.

P0826

CVT-128

TR PRS SENS/A 
CIRC

Signal voltage of the transmission fluid pressure sensor A 
(secondary pressure sensor) is too high or too low while driv-
ing.

P0840

P0840

CVT-133

PRESS SEN/
FNCTN

Correlation between the values of the transmission fluid 
pressure sensor A (secondary pressure sensor) and the 
transmission fluid pressure sensor B (primary pressure sen-
sor) is out of specification.

P0841

CVT-138

TR PRS SENS/B 
CIRC

Signal voltage of the transmission fluid pressure sensor B 
(primary pressure sensor) is too high or too low while driving.

P0845

P0845

CVT-141

SEC/PRESS 
DOWN

Secondary fluid pressure is too low compared with the com-
manded value while driving.

P0868

CVT-146

TCM-POWER 
SUPPLY

When the power supply to the TCM is cut OFF, for exam-
ple because the battery is removed, and the self-diagnosis 
memory function stops

This is not a malfunction message (Whenever shutting 
OFF a power supply to the TCM, this message appears on 
the screen.)

P1701

CVT-149

TP SEN/CIRC A/T

TCM does not receive the proper accelerator pedal position 
signals (input by CAN communication) from ECM.

P1705

CVT-154

ESTM VEH SPD 
SIG

CAN communication with the ABS actuator and the elec-
tric unit (control unit) is malfunctioning.

There is a great difference between the vehicle speed sig-
nal from the ABS actuator and the electric unit (control 
unit), and the vehicle speed sensor signal. 

P1722

CVT-156

CVT SPD SEN/
FNCTN

A rotation sensor error is detected because the gear does 
not change in accordance with the position of the stepping 
motor.

CAUTION:

One of the “P0720 VEH SPD SEN/CIR AT”, the “P0715 
INPUT SPD SEN/CIRC” or the “P0725 ENGINE SPEED 
SIG“ is displayed with the DTC at the same time.

P1723

CVT-158

ELEC TH CON-
TROL

The electronically controlled throttle for ECM is malfunction-
ing.

P1726

CVT-160

Items (CONSULT-
II screen terms)

Malfunction is detected when...

TCM self-

diagnosis

OBD-II (DTC)

Reference 

page

 “TRANS-

MISSION” 
with CON-

SULT-II

MIL indicator 

lamp*, 

“ENGINE” with 

CONSULT-II or 

GST

TROUBLE DIAGNOSIS

CVT-63

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CVT

Revision: 2006 July

2007 Murano

*: Refer to 

CVT-32, "Malfunction Indicator Lamp (MIL)"

 .

How to Erase Self-diagnostic Results

1.

Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE”
screen. 

2.

Touch “ERASE”. (The self-diagnostic results will be erased.) 

LU-SLCT SOL/
CIRC

Normal voltage not applied to solenoid due to cut line, 
short, or the like

TCM detects as irregular by comparing target value with 
monitor value.

P1740

P1740

CVT-162

L/PRESS CON-
TROL

TCM detects the unexpected line pressure.

P1745

CVT-167

STEP MOTR 
CIRC

Each coil of the step motor is not energized properly due to 
an open or a short.

P1777

P1777

CVT-168

STEP MOTR/FNC

There is a great difference between the number of steps for 
the stepping motor and for the actual gear ratio.

P1778

P1778

CVT-172

NO DTC IS 
DETECTED: FUR-
THER TESTING 
MAY BE 
REQUIRED

No NG item has been detected.

X

X

Items (CONSULT-
II screen terms)

Malfunction is detected when...

TCM self-

diagnosis

OBD-II (DTC)

Reference 

page

 “TRANS-

MISSION” 
with CON-

SULT-II

MIL indicator 

lamp*, 

“ENGINE” with 

CONSULT-II or 

GST

BCIA0031E

SCIA4614E

CVT-64

TROUBLE DIAGNOSIS

Revision: 2006 July

2007 Murano

DATA MONITOR MODE
Operation Procedure

1.

Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.

NOTE:
When malfunction is detected, CONSULT-II performs
“REAL-TIME DIAGNOSIS”. Also, any malfunction detected
while in this mode will be displayed at real time.

Display Items List

 X: Standard, —: Not applicable, 

: Option

BCIA0031E

Monitored item (Unit)

Monitor item selection

Remarks

 ECU 

INPUT 

SIGNALS

MAIN SIG-

NALS

SELEC-

TION 

FROM 
MENU

VSP SENSOR (km/h)

X

Output speed sensor (secondary speed sensor).

ESTM VSP SIG (km/h)

X

PRI SPEED SEN (rpm) 

X

ENG SPEED SIG (rpm) 

X

SEC HYDR SEN (V)

X

PRI HYDR SEN (V)

X

ATF TEMP SEN (V)

X

CVT fluid temperature sensor

VIGN SEN (V)

 X

 —

VEHICLE SPEED (km/h)

X

Vehicle speed recognized by the TCM.

PRI SPEED (rpm)

X

Primary pulley speed.

SEC SPEED (rpm)

Secondary pulley speed.

ENG SPEED (rpm) 

X

SLIP REV (rpm)

X

Difference between engine speed and primary 
pulley speed

GEAR RATIO

X

G SPEED (G)

ACC PEDAL OPEN (0.0/8)

X

X

Degree of opening for accelerator recognized by 
the TCM
For fail-safe operation, the specific value used 
for control is displayed.

TRQ RTO

SEC PRESS (MPa)

X

PRI PRESS (MPa)

X

ATF TEMP

X

DSR REV (rpm)

DGEAR RATIO

TROUBLE DIAGNOSIS

CVT-65

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CVT

Revision: 2006 July

2007 Murano

DSTM STEP (step)

STM STEP (step)

X

LU PRS (MPa)

LINE PRS (MPa)

TGT SEC PRESS (MPa)

ISOLT1 (A)

X

Torque converter clutch solenoid valve output 
current

ISOLT2 (A)

X

Pressure control solenoid valve A (line pressure 
solenoid valve) output current

ISOLT3 (A)

X

Pressure control solenoid valve B (secondary 
pressure solenoid valve) output current

SOLMON1 (A)

X

X

Torque converter clutch solenoid valve monitor 
current

SOLMON2 (A)

X

X

Pressure control solenoid valve A (line pressure 
solenoid valve) monitor current

SOLMON3 (A)

X

X

Pressure control solenoid valve B (secondary 
pressure solenoid valve) monitor current

INH SW3M (ON/OFF)

X

PNP switch 3 ON-OFF status monitor

INH SW4 (ON/OFF)

X

PNP switch 4 ON-OFF status

INH SW3 (ON/OFF)

X

PNP switch 3 ON-OFF status

INH SW2 (ON/OFF)

X

PNP switch 2 ON-OFF status

INH SW1 (ON/OFF)

X

PNP switch 1 ON-OFF status

BRAKE SW (ON/OFF)

X

X

Stop lamp switch (Signal input with CAN commu-
nications)

FULL SW (ON/OFF)

X

X

Signal input with CAN communications

IDLE SW (ON/OFF)

X

X

SPORT MODE SW (ON/OFF)

X

X

Second position switch (Signal input with CAN 
communications)

STRDWNSW (ON/OFF)

X

Not mounted but displayed.

STRUPSW (ON/OFF)

X

DOWNLVR (ON/OFF)

X

UPLVR (ON/OFF)

X

NONMMODE (ON/OFF)

X

MMODE (ON/OFF)

X

INDLRNG (ON/OFF)

“L” position indicator output*

INDDRNG (ON/OFF)

“D” position indicator output

INDNRNG (ON/OFF)

“N” position indicator output

INDRRNG (ON/OFF)

“R” position indicator output

INDPRNG (ON/OFF)

“P” position indicator output

Monitored item (Unit)

Monitor item selection

Remarks

 ECU 

INPUT 

SIGNALS

MAIN SIG-

NALS

SELEC-

TION 

FROM 
MENU

CVT-66

TROUBLE DIAGNOSIS

Revision: 2006 July

2007 Murano

*: Without manual mode.

CAN DIAGNOSTIC SUPPORT MONITOR MODE
Operation Procedure

1.

Touch “CAN DIAG SUPPORT MNTR” on “SELECT DIAG
MODE” screen. Refer to 

LAN-13, "CAN Diagnostic Support

Monitor"

 .

CVT LAMP (ON/OFF)

SPORT MODE IND (ON/OFF)

MMODE IND (ON/OFF)

SMCOIL D (ON/OFF)

Step motor coil “D” energizing status

SMCOIL C (ON/OFF)

Step motor coil “C” energizing status

SMCOIL B (ON/OFF)

Step motor coil “B” energizing status

SMCOIL A (ON/OFF)

Step motor coil “A” energizing status

LUSEL SOL OUT (ON/OFF)

 —

 —

REV LAMP (ON/OFF)

 —

 X

STRTR RLY OUT (ON/OFF)

 —

 —

Starter relay

LUSEL SOL MON (ON/OFF)

STRTR RLY MON (ON/OFF)

Starter relay

VDC ON (ON/OFF)

X

TCS ON (ON/OFF)

X

ABS ON (ON/OFF)

X

ACC ON (ON/OFF)

X

Not mounted but displayed.

RANGE

X

Indicates position is recognized by TCM. Indi-
cates a specific value required for control when 
fail-safe function is activated.

M GEAR POS

X

Voltage (V) 

Displays the value measured by the voltage 
probe.

Frequency (Hz)

The value measured by the pulse probe is dis-
played.

DUTY-HI (high) (%)

DUTY-LOW (low) (%)

PLS WIDTH-HI (ms) 

PLS WIDTH-LOW (ms) 

Monitored item (Unit)

Monitor item selection

Remarks

 ECU 

INPUT 

SIGNALS

MAIN SIG-

NALS

SELEC-

TION 

FROM 
MENU

BCIA0031E

TROUBLE DIAGNOSIS

CVT-67

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CVT

Revision: 2006 July

2007 Murano

Diagnostic Procedure without CONSULT-II

NCS00139

 OBD-II SELF-DIAGNOSTIC PROCEDURE (WITH GST)

Refer to 

EC-123, "Generic Scan Tool (GST) Function"

 .

CVT-68

DTC U1000 CAN COMMUNICATION LINE

Revision: 2006 July

2007 Murano

DTC U1000 CAN COMMUNICATION LINE

PFP:23710

Description

NCS0013A

CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent malfunction detection ability.
Many electronic control units are equipped onto a vehicle, and each control unit shares information and links
with other control units during operation (not independent). In CAN communication, control units are con-
nected with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission
with less wiring. Each control unit transmits/receives data but selectively reads required data only.

On Board Diagnosis Logic

NCS0013B

This is an OBD-II self-diagnostic item.

Diagnostic trouble code “U1000 CAN COMM CIRCUIT” with CONSULT-II is detected when TCM cannot
communicate to other control units.

Possible Cause

NCS0013C

Harness or connectors
(CAN communication line is open or shorted.)

DTC Confirmation Procedure

NCS0013D

NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, touch “ERASE” on “SELF-DIAG RESULTS” and then perform the following procedure to con-
firm the malfunction is eliminated.

 WITH CONSULT-II

1.

Turn ignition switch ON.

2.

Select “DATA MONITOR” mode for “TRANSMISSION” with
CONSULT-II.

3.

Start engine and wait for at least 6 seconds.

4.

If DTC is detected, go to 

CVT-70, "Diagnostic Procedure"

 .

 WITH GST

Follow the procedure “WITH CONSULT-II”.

BCIA0031E

DTC U1000 CAN COMMUNICATION LINE

CVT-69

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CVT

Revision: 2006 July

2007 Murano

Wiring Diagram — CVT — CAN

NCS0013E

TCWA0147E

CVT-70

DTC U1000 CAN COMMUNICATION LINE

Revision: 2006 July

2007 Murano

TCM terminal data are reference values, measured between each terminal and ground.

Diagnostic Procedure

NCS0013F

1. 

CHECK CAN COMMUNICATION CIRCUIT

 With CONSULT-II

1.

Turn ignition switch ON and start engine.

2.

Select “SELF-DIAG RESULTS” mode for “TRANSMISSION”
with CONSULT-II.

Is any malfunction of the “U1000 CAN COMM CIRCUIT” indicated?

YES

>> Print out CONSULT-II screen, go to LAN section. Refer

to 

LAN-49, "CAN System Specification Chart"

 .

NO

>> INSPECTION END

Terminal

Wire 

color

Item

Condition

Data (Approx.)

5

L

CAN-H

6

Y

CAN-L

SCIA5982E

DTC P0615 START SIGNAL CIRCUIT

CVT-71

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CVT

Revision: 2006 July

2007 Murano

DTC P0615 START SIGNAL CIRCUIT

PFP:25230

Description

NCS0013G

TCM controls starter relay in IPDM E/R.

TCM switches starter relay ON at “P” or “N” position and allows to crank engine. 

Then it prohibits cranking other than at “P” or “N” position.

CONSULT-II Reference Value

NCS0013H

Remarks: Specification data are reference values.

On Board Diagnosis Logic

NCS0013I

This is not an OBD-II self-diagnostic item. 

Diagnostic trouble code “P0615 STARTER RELAY/CIRC” with CONSULT-II is detected when starter relay
switched ON other than at “P” or “N” position. (Or when switched OFF at “P” or “N” position).

Possible Cause

NCS0013J

Harness or connectors
(Starter relay and TCM circuit is open or shorted.)

Starter relay

DTC Confirmation Procedure

NCS0013K

CAUTION:

Always drive vehicle at a safe speed.

NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, touch “ERASE” on “SELF-DIAG RESULTS” and then perform the following procedure to con-
firm the malfunction is eliminated.

 WITH CONSULT-II

1.

Turn ignition switch ON.

2.

Select “DATA MONITOR” mode for “TRANSMISSION” with
CONSULT-II.

3.

Start engine.

4.

Drive vehicle for at least 2 consecutive seconds.

5.

If DTC is detected, go to 

CVT-73, "Diagnostic Procedure"

 .

Item name

Condition

Display value

STRTR RLY OUT

Selector lever in “P” and “N” positions

ON

Selector lever in other positions

OFF

STRTR RLY MON

Selector lever in “P” and “N” positions

ON

Selector lever in other positions

OFF

BCIA0031E

CVT-72

DTC P0615 START SIGNAL CIRCUIT

Revision: 2006 July

2007 Murano

Wiring Diagram — CVT — STSIG

NCS0013L

TCWA0245E

DTC P0615 START SIGNAL CIRCUIT

CVT-73

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CVT

Revision: 2006 July

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TCM terminal data are reference values, measured between each terminal and ground.

Diagnostic Procedure

NCS0013M

1. 

CHECK STARTER RELAY SIGNAL

 With CONSULT-II

1.

Turn ignition switch ON.

2.

Select “SELECTION FROM MENU” in “DATA MONITOR” mode
for “TRANSMISSION” with CONSULT-II and check monitor
“STRTR RLY OUT”, “STRTR RLY MON” (PNP relay) ON/OFF.

 Without CONSULT-II

1.

Turn ignition switch ON.

2.

Check voltage between the TCM connector terminal and
ground.

OK or NG

OK

>> GO TO 3.

NG

>> GO TO 2.

2. 

DETECT MALFUNCTIONING ITEM

Check the following.

Starter relay. Refer to 

PG-68, "STANDARDIZED RELAY"

 .

Open or short-circuit in the harness between TCM and the starter relay. Refer to 

CVT-72, "Wiring Diagram

— CVT — STSIG"

 .

Ground circuit for the starter relay. Refer to 

SC-10, "Wiring Diagram — START —"

 .

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace damaged parts.

Terminal

Wire 

color

Item

Condition

Data (Approx.)

24

G/O

Starter relay

Selector lever in “N” and “P” positions

Battery voltage

Selector lever in other positions

0 V

Item name

Condition

Display value

STRTR RLY OUT

Selector lever in “P” and 
“N” positions

ON

Selector lever in other 
positions

OFF

STRTR RLY MON

Selector lever in “P” and 
“N” positions

ON

Selector lever in other 
positions

OFF

Name

Terminal

Condition

Data (Approx.)

Starter 
relay

24 – 

Ground

Selector lever in “N” and “P” 
positions

Battery voltage

Selector lever in other posi-
tions

0 V

SCIA2274E

SCIA2022E

CVT-74

DTC P0615 START SIGNAL CIRCUIT

Revision: 2006 July

2007 Murano

3. 

CHECK DTC

Perform 

CVT-71, "DTC Confirmation Procedure"

 .

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 4.

4. 

CHECK TCM

1.

Check TCM input/output signals. Refer to 

CVT-53, "TCM Input/Output Signal Reference Values"

 .

2.

If NG, re-check TCM pin terminals for damage or loose connection with harness connector.

OK or NG

OK

>> INSPECTION END

NG

>> Repair or replace damaged parts.

DTC P0703 STOP LAMP SWITCH CIRCUIT

CVT-75

D

E

F

G

H

I

J

K

L

M

A

B

CVT

Revision: 2006 July

2007 Murano

DTC P0703 STOP LAMP SWITCH CIRCUIT

PFP:25320

Description

NCS0013N

ON, OFF status of the stop lamp switch is sent via the CAN communication from the unified meter and A/C
amp to TCM using the signal.

CONSULT-II Reference Value

NCS0013O

Remarks: Specification data are reference values.

On Board Diagnosis Logic

NCS0013P

This is not an OBD-II self-diagnostic item. 

Diagnostic trouble code “P0703 BRAKE SW/CIRC” with CONSULT-II is detected when the stop lamp
switch does not switch to ON and OFF.

The stop lamp switch does not switch to ON, OFF.

Possible Cause

NCS0013Q

Harness or connectors
(Stop lamp switch, and unified meter and A/C amp circuit are open or shorted.)
(CAN communication line is open or shorted.)

Stop lamp switch

DTC Confirmation Procedure

NCS0013R

CAUTION:

Always drive vehicle at a safe speed.

NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, touch “ERASE” on “SELF-DIAG RESULTS” and then perform the following procedure to con-
firm the malfunction is eliminated.

 WITH CONSULT-II

1.

Turn ignition switch ON.

2.

Select “DATA MONITOR” mode for “TRANSMISSION” with
CONSULT-II.

3.

Start engine.

4.

Start vehicle for at least 3 consecutive seconds.

5.

If DTC is detected, go to 

CVT-76, "Diagnostic Procedure"

 .

Item name

Condition

Display value

BRAKE SW

Depressed brake pedal

ON

Released brake pedal

OFF

BCIA0031E

CVT-76

DTC P0703 STOP LAMP SWITCH CIRCUIT

Revision: 2006 July

2007 Murano

Diagnostic Procedure

NCS0013S

1. 

CHECK CAN COMMUNICATION LINE

Perform the self-diagnosis check. Refer to 

CVT-61, "SELF-DIAGNOSTIC RESULT MODE"

 .

Is any malfunction of the “U1000 CAN COMM CIRCUIT” indicated?

YES

>> Check CAN communication line. Refer to 

CVT-68, "DTC U1000 CAN COMMUNICATION LINE"

 .

NO

>> GO TO 2.

2. 

CHECK STOP LAMP SWITCH CIRCUIT

 With CONSULT-II

1.

Turn ignition switch ON.

2.

Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for
“TRANSMISSION” with CONSULT-II.

3.

Read out ON/OFF switching action of the “BRAKE SW”.

OK or NG

OK

>> INSPECTION END

NG

>> GO TO 3.

3. 

CHECK STOP LAMP SWITCH

Check continuity between stop lamp switch harness connector E116
terminals 3 and 4. Refer to 

CVT-180, "Wiring Diagram — CVT —

NONDTC"

 .

Check stop lamp switch after adjusting brake pedal — refer to

BR-7, "BRAKE PEDAL"

 .

OK or NG

OK

>> Check the following. If NG, repair or replace damaged 

parts.

Harness for short or open between battery and stop lamp switch.

Harness for short or open between stop lamp switch and unified meter and A/C amp.

NG

>> Repair or replace the stop lamp switch.

Item name

Condition

Display value

BRAKE SW

Depressed brake pedal

ON

Released brake pedal

OFF

SCIA2275E

Condition

Continuity

When brake pedal is depressed

Yes

When brake pedal is released

No

SCIA2126E

 

 

 

 

 

 

 

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