DTC P1745: Problem in Shift Control System; Servo Control Valve Stuck OFF or Servo Valve Stuck OFF: Notes

Fig 1: Shift Control - System Diagram (Servo Control Valve)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 2: Gear Position Versus Shift Status Graph

Courtesy of AMERICAN HONDA MOTOR CO., INC.

HYDRAULIC PRESSURE SUPPLY TO CLUTCH BY SHIFT SOLENOID VALVE OUTPUT (D POSITION)

Clutch

Shift solenoid valve

In gear

1st

1st - 2nd

2nd

2nd - 3rd

3rd

3rd - 4th

4th

4th - 5th

5th

A

OFF

OFF

ON

ON

ON

ON

ON

OFF

OFF

OFF

B

ON

ON

ON

ON

ON

OFF

OFF

OFF

OFF

ON

C

OFF

ON

ON

OFF

ON

ON

OFF

OFF

ON

ON

D

OFF

OFF

OFF/ON

OFF/ON

OFF/ON

OFF/ON

OFF/ON

OFF/ON

OFF/ON

OFF/ON

1st Clutch

CPC C

LINE

LINE

LINE

LINE

LINE

LINE

LINE

LINE

LINE

2nd Clutch

CPC A

CPC A

LINE

CPC A

CPC C

3rd Clutch

CPC B

CPC B

LINE

CPC B

4th Clutch

CPC A

LINE

CPC A

5th Clutch

CPC B

LINE

CPC: Clutch Pressure Control pressure