DTC P0973 Shift Solenoid "A" Control Circuit Low (Shift Solenoid Valve S1): DTC P0974 Shift Solenoid "A" Control Circuit High (Shift Solenoid Valve S1): Wiring Diagram
WARNING: This page is about a different variant/trim than selected.
HINT:
The shift solenoid valve S1 is turned on/off normally when the shift lever is in the D position:
ECM COMMAND GEARSHIFT CHART
| ECM command gearshift | 1st | 2nd | 3rd | 4th | 5th | 6th |
| Shift solenoid valve S1 | OFF | ON | ON | ON | ON | ON |
- INSPECT TRANSMISSION WIRE (S1)
- Disconnect the transmission wire connector from the transmission.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITION CHARTTester Connection Specified Condition 20°C (68°F) 8 - Body ground 11 to 15 Ω NG : Go to step 3
OK : Go to next Step
- CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM)
- Connect the transmission connector to the transmission.
- Disconnect the connector from the ECM.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITION CHARTTester Connection Specified Condition 20°C (68°F) E4-19 (S1) - Body ground 11 to 15 Ω NG : REPAIR OR REPLACE HARNESS OR CONNECTOR
OK : REPLACE ECM
- INSPECT SHIFT SOLENOID VALVE S1
- Remove the shift solenoid valve S1.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITION CHARTTester Connection Specified Condition 20°C (68°F) Solenoid Connector (S1) - Solenoid Body (S1) 11 to 15 Ω - Connect positive (+) lead to the terminal of the solenoid connector, and the negative (-) lead to the solenoid body.
OK:
The solenoid makes an operating sound.
NG : REPLACE SHIFT SOLENOID VALVE S1
OK : REPAIR OR REPLACE TRANSMISSION WIRE