DTC Logic
DTC DETECTION LOGIC
DTC | CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | Possible causes |
P0998 | SHIFT SOLENOID F (Shift Solenoid F Control Circuit Low) | The TCM low brake solenoid valve current
monitor reading is 200 mA or less continuously
for 480 msec or more under the following diagnosis
conditions: Diagnosis conditions
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DTC CONFIRMATION PROCEDURE
1.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.
2.CHECK DTC DETECTION
Is “P0998” detected? YES >> Go to TM-210, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK CIRCUIT BETWEEN TCM AND CVT UNIT
Is the inspection
result normal?
YES >> GO TO 2.
NO >> Repair or replace malfunctioning parts.
2.CHECK LOW BRAKE SOLENOID VALVE
Check low brake solenoid valve. Refer to TM-211, "Component Inspection".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> Repair or replace malfunctioning parts.
Component Inspection
1.CHECK LOW BRAKE SOLENOID VALVE
Check resistance between CVT unit connector terminal and ground.
Is the inspection
result normal?
YES >> INSPECTION END
NO >> There is a malfunction of low brake solenoid valve. Replace transaxle assembly. Refer to TM-283, "Removal and Installation".
Brake booster
Inspection
Operation
Depress the brake pedal several times at five second intervals with
the engine stopped. Start the engine with the brake pedal fully
depressed. Check that the clearance between brake pedal and dash
lower panel decreases.
NOTE:
A slight impact with a small click may be felt ...
Wiring diagram
Power distribution system
Wiring diagram
...
Precaution
Precautions for Trouble Diagnosis
Caution:
Follow the instructions listed below. Failure to do this may cause
damage to parts:
Never apply 7.0 V or more to the measurement terminal.
Use a tester with open terminal voltage of 7.0 V or less.
Turn the ignition switch off and disconnect the ...