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DTC P0974: Open in Shift Solenoid Valve A Circuit: Notes

Fig 1: Shift Solenoid Valve A - Circuit Diagram
G06562863Courtesy of AMERICAN HONDA MOTOR CO., INC.

Hydraulic pressure supply to the clutch by shift solenoid valve output (D position)

HYDRAULIC PRESSURE REFERENCE CHART

  In gear 1st 1st - 2nd 2nd 2nd - 3rd 3rd 3rd - 4th 4th 4th - 5th 5th 5th - 6th 6th
Shift solenoid valve A  ON ON ON ON ON OFF OFF OFF OFF OFF OFF OFF
Shift solenoid valve B  OFF ON ON ON ON ON ON OFF/(ON) OFF OFF/(ON) OFF OFF
1st clutch  CPC D LINE LINE LINE LINE LINE LINE LINE LINE LINE LINE LINE
2nd clutch  - CPC A CPC A CPC A CPC A - - - - - - -
3rd clutch  - CPC B CPC B CPC B CPC B CPC B CPC B (CPC B) - (CPC B) - -
4th clutch  - CPC C CPC C CPC C CPC C CPC C CPC C CPC C CPC C CPC C CPC C CPC C
5th clutch  - - - - - CPC A CPC A CPC A CPC A CPC A CPC A CPC A
6th clutch  - - - - - - - CPC B CPC B CPC B CPC B CPC B
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
LINE: Line pressure