FixVault

DTC P0752: Shift Solenoid Valve A Stuck ON: Notes

Fig 1: Shift Solenoid Valve A - System Diagram
G08582559Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig 2: Gear Ratio Versus Shifting Status Graph (Failure Detection Area)
G08582560Courtesy of AMERICAN HONDA MOTOR CO., INC.
HYDRAULIC PRESSURE SUPPLY TO CLUTCH BY SHIFT SOLENOID VALVE OUTPUT (D POSITION)

Gear position Shift solenoid valve Clutch
A B 1st 2nd 3rd 4th 5th 6th
Neutral-1st  ON OFF CPCD - - - - -
1st  ON ON LINE CPCA CPCB CPCC - -
1st-2nd  ON ON LINE CPCA CPCB CPCC - -
2nd  ON ON LINE CPCA CPCB CPCC - -
2nd-3rd  ON ON LINE CPCA CPCB CPCC - -
3rd  OFF ON LINE - CPCB CPCC CPCA -
3rd-4th  OFF ON LINE - CPCB CPCC CPCA -
4th  OFF OFF/(ON) LINE - (CPCB) CPCC CPCA CPCB
4th-5th  OFF OFF LINE - - CPCC CPCA CPCB
5th  OFF OFF/(ON) LINE - (CPCB) CPCC CPCA CPCB
5th-6th  OFF OFF LINE - - CPCC CPCA CPCB
6th  OFF OFF LINE - - CPCC CPCA CPCB
LINE: Line pressure
CPCA: A/T clutch pressure control solenoid valve A pressure
CPCB: A/T clutch pressure control solenoid valve B pressure
CPCC: A/T clutch pressure control solenoid valve C pressure
CPCD: A/T clutch pressure control solenoid valve D pressure