Expand AllBased on the signal from the throttle position sensor, the transmission control computer ASSY controls the line pressure solenoid to a predetermined duty ratio. By this, the line pressure is adjusted to a pressure fitting the throttle opening and the engine output.
| DTC No. |
|
Inspection part |
| P2716/28 |
|
|
| DTC No. |
|
Inspection part |
| P2716/28 |
|
|
Detail
- Disconnect connector A of the transmission wire.
- Check the resistance between the terminals.
Standard:
Terminal No. (terminal symbol) Resistance value [Ω] A5 (SL4+) ↔ A11 (SL4-) 5.0-6.0 (20°C, 68°F) - Check the insulation of the terminals.
Standard:
Terminal No. (terminal symbol) Resistance value [Ω] A5 (SL4+) ↔ Body earth 1 MΩ or more
To step 3
Proceed to [2]INSPECT WIRE HARNESS AND CONNECTOR (TRANSMISSION WIRE - TRANSMISSION CONTROL COMPUTER ASSY)
- Connect connector A of the transmission wire and disconnect connector A of the transmission control computer ASSY.
- Check the resistance between the terminals. (Refer to page for the terminal layout.)
Standard:
Terminal No. (terminal symbol) Resistance value [Ω] A21 (SL4+) ↔ A31 (SL4-) 5.0-6.0 (20°C, 68°F)
Repair or replace wire harness and connector.
Inspect and replace the transmission control computer ASSY.
- Disconnect the connector of the line pressure control solenoid (SL4).
- Check the resistance between the terminals.
Standard:
5.0-6.0Ω (20°C, 68°F)
Replace the automatic transmission ASSY.
Repair or replace the transmission wire.
- Confirm the DTC P2716/28 is inactive
- Start the engine and let it idling condition.
- Verify the DTC P2716/28 is inactive.
- DTC Clear
- Clear the DTC with Hino DX
- Confirm the same DTC is not reoccurred
- P2716/28 is reoccurF Return to first process
- Other DTC appearF Refer to concerned Trouble shooting
Complete
