Nissan Murano Z51. Instruction — part 1421
ON BOARD DIAGNOSTIC (OBD) SYSTEM
TM-35
< SYSTEM DESCRIPTION >
[CVT: RE0F09B]
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Only one set of freeze frame data (either 1st trip freeze frame data or freeze frame data) can be stored in the
ECM. 1st trip freeze frame data is stored in the ECM memory along with the 1st trip DTC. There is no priority
for 1st trip freeze frame data, and it is updated each time a different 1st trip DTC is detected. However, once
freeze frame data (2nd trip detection/MIL on) is stored in the ECM memory, 1st trip freeze frame data is no
longer stored. Remember, only one set of freeze frame data can be stored in the ECM. The ECM has the fol-
lowing priorities to update the data.
Both 1st trip freeze frame data and freeze frame data (along with the DTC) are cleared when the ECM mem-
ory is erased.
How to Erase DTC
• The diagnostic trouble code can be erased by CONSULT-III, GST or ECM DIAGNOSTIC TEST MODE as
described below.
- If the battery cable is disconnected, the diagnostic trouble code will be lost within 24 hours.
- When erasing the DTC, using CONSULT-III or GST is easier and quicker than switching the mode
selector on the ECM.
• The following emission-related diagnostic information is cleared from the ECM memory when erasing DTC
related to OBD-II. For details, refer to
- Diagnostic trouble codes (DTC)
- 1st trip diagnostic trouble codes (1st trip DTC)
- Freeze frame data
- 1st trip freeze frame data
- System readiness test (SRT) codes
- Test values
How to Erase DTC (With CONSULT-III)
The emission related diagnostic information in the TCM and ECM can be erased by selecting “ALL Erase” in
the “Description” of “FINAL CHECK” mode with CONSULT-III.
How to Erase DTC (With GST)
1.
If the ignition switch stays ON after repair work, be sure to turn ignition switch OFF once. Wait at least 10
seconds and then turn it ON (engine stopped) again.
2.
Select Mode 4 with GST (Generic Scan Tool). For details, refer to
EC-116, "CONSULT-III Function"
MALFUNCTION INDICATOR LAMP (MIL)
Description
The MIL is located on the instrument panel.
1.
The MIL is turned ON when the ignition switch is turned ON
without the engine running. This is a bulb check.
• If the MIL is not turned ON, refer to
.
2.
Turn OFF the MIL when the engine is started.
If the MIL remains ON, the on board diagnostic system has
detected an engine system malfunction.
Priority
Items
1
Freeze frame data
Misfire — DTC: P0300 - P0306
Fuel Injection System Function — DTC: P0171, P0172, P0174, P0175
2
Except the above items (Includes CVT related items)
3
1st trip freeze frame data
SEF217U
TM-36
< SYSTEM DESCRIPTION >
[CVT: RE0F09B]
DIAGNOSIS SYSTEM (TCM)
DIAGNOSIS SYSTEM (TCM)
CONSULT-III Function (TRANSMISSION)
INFOID:0000000005513960
FUNCTION
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
WORK SUPPORT MODE
Display Item List
Engine Brake Adjustment
CAUTION:
Mode of “+1”“0”“
−
1”“
−
2”“OFF” can be selected by touching “UP”or “DOWN” on CONSULT-III screen.
However, do not select a mode other than “0” and “OFF”. Selecting “+1” or “
−
1” or “–2” may cause
irregular driveability.
Check CVT Fluid Deterioration Date
CAUTION:
Touch “CLEAR” after changing CVT fluid, and then erase “CVTF DETERIORATION DATE”.
SELF DIAGNOSTIC RESULTS MODE
.
DATA MONITOR MODE
Display Items List
Diagnostic test mode
Function
Work Support
This mode enables a technician to adjust some devices faster and more accurately.
Self Diagnostic Results
Retrieve DTC from ECU and display diagnostic items.
Data Monitor
Monitor the input/output signal of the control unit in real time.
CAN Diagnosis
This mode displays a network diagnosis result about CAN by a diagram.
CAN Diagnostic Support Monitor
It monitors the status of CAN communication.
Function Test
This mode can show results of self-diagnosis of ECU with either “OK” or “NG”. For en-
gine, more practical tests regarding sensors/switches and/or actuators are available.
ECU Identification
Display the ECU identification number (part number etc.) of the selected system.
Special Function
Other results or histories, etc. that are recorded in ECU are displayed.
Item name
Description
ENGINE BRAKE ADJ.
The engine brake level setting can be canceled.
CONFORM CVTF DETERIORTN
The CVT fluid deterioration level can be checked.
“ENGINE BRAKE LEVEL”
0
: Initial set value (Engine brake level control is activated)
OFF
: Engine brake level control is deactivated.
“CVTF DETERIORATION DATE”
More than 210000
: It is necessary to change CVT fluid.
Less than 210000
: It is not necessary to change CVT fluid.
DIAGNOSIS SYSTEM (TCM)
TM-37
< SYSTEM DESCRIPTION >
[CVT: RE0F09B]
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X: Standard, —: Not applicable,
: Option
Monitored item (Unit)
Monitor item selection
Remarks
ECU IN-
PUT SIG-
NALS
MAIN SIG-
NALS
SELEC-
TION
FROM
MENU
VSP SENSOR (km/h)
X
—
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 or mph)
—
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
—
ATFTEMP COUNT
—
X
Means CVT fluid temperature. Actual oil temper-
ature
°
C (
°
F) cannot be checked unless a numeric
(FOR USA
AND CANADA),
(FOR MEXICO).
DSR REV (rpm)
—
—
—
DGEAR RATIO
—
—
—
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
Line pressure solenoid valve output current
ISOLT3 (A)
—
X
Secondary pressure solenoid valve output cur-
rent
TM-38
< SYSTEM DESCRIPTION >
[CVT: RE0F09B]
DIAGNOSIS SYSTEM (TCM)
SOLMON1 (A)
X
X
Torque converter clutch solenoid valve monitor
current
SOLMON2 (A)
X
X
Line pressure solenoid valve monitor current
SOLMON3 (A)
X
X
Secondary pressure solenoid valve monitor cur-
rent
RANGE SW3M (On/Off)
X
—
Transmission range switch 3 ON-OFF status
monitor
RANGE SW4 (On/Off)
X
—
Transmission range switch 4 ON-OFF status
RANGE SW3 (On/Off)
X
—
Transmission range switch 3 ON-OFF status
RANGE SW2 (On/Off)
X
—
Transmission range switch 2 ON-OFF status
RANGE SW1 (On/Off)
X
—
Transmission range switch 1 ON-OFF status
BRAKE SW (On/Off)
X
X
Stop lamp switch (signal input via CAN communi-
cations)
FULL SW (On/Off)
X
X
Not mounted but displayed.
IDLE SW (On/Off)
X
X
Signal input via CAN communications
SPORT MODE SW (On/Off)
X
X
Overdrive control switch (signal input via 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
CVT LAMP (On/Off)
—
—
—
SPORT MODE IND (On/Off)
—
—
OD OFF indicator lamp
MMODE IND (On/Off)
—
—
Not mounted but displayed.
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
Monitored item (Unit)
Monitor item selection
Remarks
ECU IN-
PUT SIG-
NALS
MAIN SIG-
NALS
SELEC-
TION
FROM
MENU
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