Nissan Murano: Dtc/circuit Diagnosis / P0826 up and Down Shift Sw
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | |
| P0826 |
UP/DOWN SHIFT SWITCH (Up and Down Shift Switch Circuit) |
Diagnosis condition | Engine is started |
| Signal | — | ||
| Threshold | TCM monitors manual mode, non-manual mode, up or down switch signal, and detects as irregular when impossible input pattern occurs | ||
| Diagnosis delay time | 1 second or more | ||
POSSIBLE CAUSE
-
Manual mode switch
-
Harness or connectors
(Manual mode switch circuit are open or shorted.)
FAIL-SAFE
Manual mode is not activated
PREPARATION BEFORE WORK
If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.
>>
GO TO 2.
CHECK DTC DETECTION (PART 1)
With CONSULT
-
Start the engine.
-
Shift the selector lever to “D” position and wait for 1 second or more.
-
Select “Self Diagnostic Results” in “TRANSMISSION”.
Is “P0826” detected?
YES>>Go to Diagnosis Procedure.
NO>>GO TO 3.
CHECK DTC DETECTION (PART 2)
With CONSULT
-
Shift the selector lever to manual shift gate and wait for 1 second or more.
-
Select “Self Diagnostic Results” in “TRANSMISSION”.
Is “P0826” detected?
YES>>Go to Diagnosis Procedure.
NO>>GO TO 4.
CHECK DTC DETECTION (PART 3)
With CONSULT
-
Shift the selector lever to “UP side (+ side)” and wait for 1 second or more.
-
Select “Self Diagnostic Results” in “TRANSMISSION”.
Is “P0826” detected?
YES>>Go to Diagnosis Procedure.
NO>>GO TO 5.
CHECK DTC DETECTION (PART 4)
With CONSULT
-
Shift the selector lever to “DOWN side (− side)” and wait for 1 second or more.
-
Select “Self Diagnostic Results” in “TRANSMISSION”.
Is “P0826” detected?
YES>>Go to Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: INSPECTION END
CHECK DTC (COMBINATION METER)
With CONSULT
-
Turn ignition switch ON.
-
Select “Self Diagnostic Results” in “METER/M&A”.
Is any DTC detected?
YES>>Check DTC detected item. Refer to DTC Index.
NO>>GO TO 2.
CHECK MANUAL MODE SWITCH POWER SUPPLY CIRCUIT
-
Turn ignition switch OFF.
-
Disconnect CVT shift selector connector.
-
Turn ignition switch ON.
-
Check voltage between CVT shift selector harness connector terminal and ground.
+ – Condition Voltage
(Approx.)CVT shift selector Connector Terminal M78 7 Ground Ignition switch: ON 12 V Ignition switch: OFF 0 V 8 Ignition switch: ON 12 V Ignition switch: OFF 0 V 9 Ignition switch: ON 12 V Ignition switch: OFF 0 V 10 Ignition switch: ON 12 V Ignition switch: OFF 0 V
Is the inspection result normal?
YES>>GO TO 3.
NO>>GO TO 4.
CHECK MANUAL MODE SWITCH
-
Turn ignition switch OFF.
-
Check manual mode switch. Refer to Component Inspection.
Is the inspection result normal?
YES>>GO TO 5.
NO>>Repair or replace damaged parts.
CHECK CIRCUIT BETWEEN CVT SHIFT SELECTOR AND COMBINATION METER
-
Turn ignition switch OFF.
-
Disconnect combination meter connector.
-
Check continuity between CVT shift selector harness connector terminals and combination meter harness connector terminals.
CVT shift selector Combination meter Continuity Connector Terminal Connector Terminal M78 7 M23 30 Existed 8 33 9 32 10 31 -
Check continuity between CVT shift selector harness connector terminals and ground.
CVT shift selector — Continuity Connector Terminal M78 7 Ground Not existed 8 9 10
Is the inspection result normal?
YES>>Check intermittent incident. Refer to Intermittent Incident.
NO>>Repair or replace damaged parts.
CHECK GROUND CIRCUIT
Check continuity between CVT shift selector harness connector terminal and ground.
| CVT shift selector | — | Continuity | |
|---|---|---|---|
| Connector | Terminal | ||
| M78 | 11 | Ground | Existed |
Is the inspection result normal?
YES>>Check intermittent incident. Refer to Intermittent Incident.
NO>>Repair or replace damaged parts.
MANUAL MODE SWITCH
Check continuity between CVT shift selector connector terminals.
| CVT shift selector | Condition | Continuity |
|---|---|---|
| Terminal | ||
| 7 – 11 | Manual shift gate position (neutral) | Existed |
| Other than the above | Not existed | |
| 8 – 11 | Selector lever: DOWN (− side) | Existed |
| Other than the above | Not existed | |
| 9 – 11 | Selector lever: UP (+ side) | Existed |
| Other than the above | Not existed | |
| 10 – 11 | Manual shift gate position | Not existed |
| Other than the above | Existed |
Is the inspection result normal?
YES>>INSPECTION END
NO>>Replace the CVT shift selector assembly due to malfunction in manual mode switch. Refer to Removal and Installation.
P0794 Intermediate Speed Sensor a
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0794
INTERMEDIATE SPEED SENSOR A
(Intermediate Shaft Speed Sensor "A" Circuit Intermittent)
Diagnosis condition
TCM power supply voltage: More than 11 V
Signal
—
Threshold
Primary pulley speed: more than 11820 rpm
Diagnosis delay time
Maintained 2 seconds
POSSIBLE CAUSE
Harness or connector (Primary speed sensor circuit is open or shorted)
Primary speed sensor
TCM
FAIL-SAFE
Start is slow
Acceleration is slow
Lock-up is not performed
Manual mode is not activated
Confirmation Procedure
DTC CONFIRMATION PROCEDURECAUTION:
Always drive vehicle at a safe speed...
P0841 Transmission Fluid Pressure Sen/sw a
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0841
FLUID PRESS SEN/SW A
(Transmission Fluid Pressure Sensor/Switch “A” Circuit Range/Performance)
Diagnosis condition
When all of the following conditions are satisfied:
TCM power supply voltage: More than 11 V
DTC other than the applicable DTC is not detected...
Other information:
Nissan Murano (Z52) 2015-2024 Owners Manual: System operation
The automatic drive positioner system will not work or will stop operating under the following conditions: When the vehicle speed is above 4 mph (7 km/h). When any of the memory switches are pushed while the automatic drive positioner is operating...
Nissan Murano (Z52) 2015-2024 Owners Manual: How to enable/disable the I-LI system
The I-LI system can be turned on or off using the dynamic driver assistance switch on the instrument panel, “Settings” in the vehicle information display or using the startup display in the vehicle information display. When the system is off, the indicator light on the dynamic driver assistance switch turns off and the LDW indicator (green) turns off...
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