P0776

DTC P0776 / P0777

DTC Detecting Condition and Trouble Area






Wiring Diagram

Refer to P0741 DTC P0741.

DTC Confirmation Procedure

P0776

WARNING:

If you do not select a suitable route and take proper precautions when performing a road test, an accident can occur.

- Select a level road with no traffic to minimize the risk of accident.
- Perform the test extremely carefully.
- Perform the road test using 2 persons, a driver and an assistant.

NOTE:

- If DTC other than aimed DTC are previously detected in DTC confirmation procedure, be sure to troubleshoot DTC previously detected.
- Check that the following conditions are satisfied when using this procedure.

- Battery voltage > 10.5 V

1) Drive vehicle more than 50 km/h (31 mile/h) for 40 sec.
2) Stop vehicle and turn ignition switch to OFF position.
3) Repeat Step 1) through 2) twice.
4) Turn ignition switch to ON position.

P0777

WARNING:

If you do not select a suitable route and take proper precautions when performing a road test, an accident can occur.

- Select a level road with no traffic to minimize the risk of accident.
- Perform the test extremely carefully.
- Perform the road test using 2 persons, a driver and an assistant.

NOTE:

- If DTC other than aimed DTC are previously detected in DTC confirmation procedure, be sure to troubleshoot DTC previously detected.
- Check that the following conditions are satisfied when using this procedure.

- CVT fluid temperature at engine start ≥ -20 °C (-4 °F)

5) Drive at 30 - 50 km/h (19 mile/h - 31 mile/h) constantly for 40 sec. or more at "D" range. (Keep throttle valve opening constantly in this step).
6) Stop vehicle and turn ignition switch to OFF position.
7) Repeat Step 1) through 2) twice.
8) Turn ignition switch to ON position.

DTC Troubleshooting



1.
Was "CVT System Check" performed?
YES
Go to Step 2.
NO
Go to CVT System Check.

2. Secondary pressure sensor and its circuit check

Check secondary pressure sensor and its circuit according to Step 2 through 4 of P0847 DTC P0847 / P0848.

Are they in good condition?
YES
Go to Step 3.
NO
Repair or replace defective parts.

3. Stall test

Perform stall test. Stall Test

Is it in good condition?
YES
Go to Step 4.
NO
Repair or replace defective parts.

4. Secondary pressure control solenoid valve and its circuit check

Check secondary pressure control solenoid valve and its circuit according to Step 2 through 3 of P0966 DTC P0966 / P0967.

Are they in good condition?
YES
Go to Step 5.
NO
Repair or replace defective parts.

5. Line pressure control solenoid valve and its circuit check

Check line pressure control solenoid valve and its circuit according to Step 2 through 3 of P0962 DTC P0962 / P0963.

Are they in good condition?
YES
Substitute a known-good TCM and recheck.
NO
Replace CVT assembly.