Description
Transmission range switch is turn ON when the selector lever is P or N.
ECM detects the position because the continuity of the line (the ON) exists.
DTC Description
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
P0850 | P-N POS SW/CIRCUIT (Park/neutral switch input circuit) | The signal of transmission range switch is not changed in the process of engine starting and driving. |
POSSIBLE CAUSE
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
1.INSPECTION START
Do you have CONSULT? Do you have CONSULT? YES >> GO TO 2.
NO >> GO TO 5.
2.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
>> GO TO 3.
3.CHECK PNP SIGNAL FUNCTION
With CONSULT
Selector lever position | Known-good signal |
N or P position | ON |
Except above position | OFF |
Is the inspection result normal? YES >> GO TO 4.
NO >> Proceed to EC-383, "Diagnosis Procedure".
4.PERFORM DTC CONFIRMATION PROCEDURE
CAUTION: Always drive vehicle at a safe speed.
ENG SPEED | 1,000 - 6,375 rpm |
COOLAN TEMP/S | More than 65°C (149°F) |
B/FUEL SCHDL | 3.25 - 31.8 msec |
VHCL SPEED SE | More than 64 km/h (40 mph) |
Selector lever | Suitable position |
Is 1st trip DTC detected? YES >> Proceed to EC-383, "Diagnosis Procedure".
NO >> INSPECTION END
5.PERFORM COMPONENT FUNCTION CHECK
Is the inspection result normal? YES >> INSPECTION EN
NO >> Proceed to EC-383, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK TRANSMISSION RANGE SWITCH POWER SUPPLY
Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK TRANSMISSION RANGE SWITCH POWER SUPPLY CIRCUIT
Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
3.CHECK TRANSMISSION RANGE SWITCH SIGNAL CIRCUIT
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace error-detected parts.
4.CHECK TRANSMISSION RANGE SWITCH
Check the transmission range switch. Refer to TM-111, "Component Inspection".
Is the inspection result normal? YES >> GO TO 5.
NO >> Replace transmission range switch. Refer to TM-220, "Removal and Installation".
5.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
>> INSPECTION END
Flat towing for All–Wheel drive vehicle
(if so equipped)
Towing your vehicle with all four wheels on the
ground is sometimes called flat towing. This
method is sometimes used when towing a vehicle
behind a recreational vehicle, such as a motor
home.
CAUTION
Failure to follow these guidelines can
result in severe transmission dama ...
ECU diagnosis information
CAN GATEWAY
Reference Value
VALUES ON THE DIAGNOSIS TOOL
NOTE:
The following table includes information (items) inapplicable to this vehicle.
For information (items) applicable
to this vehicle, refer to CONSULT display items.
DTC Index
...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow (With EXP-800 NI or GR8-1200 NI)
CHARGING SYSTEM DIAGNOSIS WITH EXP-800 NI OR GR8-1200 NI
To test the charging system, use the following special service tools:
EXP-800 NI Battery and electrical diagnostic analyzer
GR8-1200 NI Multitasking ...