DTC Logic
DTC DETECTION LOGIC
DTC | CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | Possible causes |
P0966 | PC SOLENOID B (Pressure Control Solenoid B Control Circuit Low) | The primary pressure solenoid valve current 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 “P0966” detected? YES >> Go to TM-206, "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 PRIMARY PRESSURE SOLENOID VALVE
Check primary pressure solenoid valve. Refer to TM-206, "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 PRIMARY PRESSURE 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 primary pressure solenoid valve. Replace transaxle assembly. Refer to TM-283, "Removal and Installation".
If a warning light turns
on or a warning
buzzer sounds
Calmly perform the following actions if any of the warning lights
comes on or flashes. If a light comes on or flashes, but then
goes off, this does not necessarily indicate a malfunction in the
system. However, if this continues to occur, have the vehicle
inspected by your Toyota dealer.
Warnin ...
Ignition signal
Component Function Check
1.INSPECTION START
Turn ignition switch OFF.
Start engine.
Does the engine start?
YES >> GO TO 2.
NO >> Proceed to EC-456, "Diagnosis Procedure".
2.IGNITION SIGNAL FUNCTION
With CONSULT
Perform “POWER BALANCE” in “ACT ...
On board refueling vapor recovery(ORVR)
Component Function Check
1.CHECK ORVR FUNCTION
Check whether the following symptoms are present.
Fuel odor from EVAP canister is strong
Cannot refuel/Fuel odor from the fuel filler opening is strong while
refueling.
Are any symptoms present?
YES >> Proceed to EC-468, "Diagn ...