DTC P1766 TORQUE CONVERTER CLUTCH CONTROL FUNCTION — Description / Reference Values / On Board Diagnosis Logic / DTC Confirmation Procedure
AT-7099prose procedureConfirmation steps continue on next page (AT-7100).
Description
NOTE
Line pressure is reduced to generate the clutch pressure necessary for lock-up control and clutch control.
CONSULT-II Reference Value in Data Monitor Mode
NOTE
Remarks: Specification data are reference values.
TCC CON/FNCTN
ConditionWhen setting selector lever to "N" position and vehicle is stopped.
SpecificationApproximately 100%
TCC CON/FNCTN
ConditionWhen setting selector lever to "D" or "L" position, and vehicle is stopped.
SpecificationApproximately 0%
TCM Terminals and Reference Value
NOTE
Remarks: Specification data are reference values.
1
Wire colorW/R
ItemClutch pressure solenoid valve
ConditionWhen setting selector lever to "N" position
Judgement standard (Approx.)0V
1
Wire colorW/R
ItemClutch pressure solenoid valve
ConditionWhen setting selector lever to "D" or "L" position
Judgement standard (Approx.)More than 6V
On Board Diagnosis Logic
CONSULT-II screen text
IdentifierCLUTCH PRES SOL
Malfunction is detected when ...Difference between engine speed and input pulley revolution exceeds the specified value during lock-up.
Check items (Possible cause)Clutch pressure solenoid valve
GST (OBD-II)
IdentifierP1766
Malfunction is detected when ...Difference between engine speed and input pulley revolution exceeds the specified value during lock-up.
Check items (Possible cause)Clutch pressure solenoid valve
MI / NO TOOLS code
IdentifierMI Code No. 1766
Malfunction is detected when ...Difference between engine speed and input pulley revolution exceeds the specified value during lock-up.
Check items (Possible cause)Clutch pressure solenoid valve
Diagnostic Trouble Code (DTC) Confirmation Procedure
CAUTION
Always drive vehicle at a safe speed.
NOTE
If "DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch "OFF" and wait at least 5 seconds before conducting the next test.
NOTE
After the repair, perform the following procedure to confirm that the malfunction is eliminated.