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
Passenger compartment
CAUTIONNever use a fuse of a higher or lower
amperage rating than specified on the
fuse box cover. This could damage the
electrical system or cause a fire.
If any electrical equipment does not operate,
check for an open fuse.
NOTE:
The fuse box is located on the driver ...
Satellite radio reception (if so equipped)
When the satellite radio is used for the first time
or the battery has been replaced, the satellite
radio may not work properly. This is not a malfunction.
Wait more than 10 minutes with satellite
radio ON and the vehicle outside of any metal or
large building for satellite radio to receive a ...
Refrigeration system symptoms
Trouble Diagnosis For Unusual Pressure
Diagnose using a manifold gauge whenever system’s high and/or low side
pressure(s) is/are unusual. The
marker above the gauge scale in the following tables indicates the standard
(usual) pressure range. Refer to
above table (Ambient air temperature-to- ...