Typical Enabling Conditions Reference

The monitor will run whenever this DTC is not present.

None

Shift solenoid valve S2

ON

2006 TRANSMISSION A750F Automatic Transaxle - Sequoia

P0977: Range check (High resistance)

SHIFT SOLENOID VALVE S1 RESISTANCE REFERENCE

The monitor will run whenever this DTC is not present.

None

Shift solenoid valve S2

typical malfunction thresholds

P0976: Range check (Low resistance)

TYPICAL MALFUNCTION THRESHOLDS REFERENCE

Shift solenoid valve S2 resistance

8 ohms or less

P0977: Range check (High resistance)

SHIFT SOLENOID VALVE S1 RESISTANCE REFERENCE

Shift solenoid valve S2 resistance

100 kohms or more

component operating range

COMPONENT OPERATING RANGE REFERENCE

Shift solenoid valve S2

Resistance: 11 to 15 ohms at 20°C (68°F)

wiring diagram wiring diagram

Fig. 68: Shift Solenoid Control Wiring Diagram Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

HINT:

The shift solenoid valve S2 turns ON/OFF normally when the shift lever is in the D position:

2006 TRANSMISSION A750F Automatic Transaxle - Sequoia

ECM GEAR SHIFT REFERENCE

ECM gear shift command

1st

2nd

3rd

4th

5th

Shift solenoid valve S2

OFF

ON

ON

OFF

OFF

1. INSPECT TRANSMISSION WIRE (SHIFT SOLENOID VALVE S2)

a. Disconnect the E1 transmission wire connector.

b. Measure the resistance.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION AND RESISTANCE REFERENCE

Tester Connection

Specified Condition

15 - Body ground

11 to 15 ohms at 20°C (68°F)

2006 TRANSMISSION A750F Automatic Transaxle - Sequoia

Fig. 69: Identifying E1 Transmission Wire Connector Terminals Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

OK: GO TO NEXT STEP.

2. CHECK WIRE HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM)

a. Connect the E1 transmission wire connector.

b. Disconnect the E7 ECM connector.

c. Measure the resistance.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION AND RESISTANCE REFERENCE

2006 TRANSMISSION A750F Automatic Transaxle - Sequoia

Tester Connection

Specified Condition

E7-10 (S2) - Body ground

11 to 15 ohms at 20°C (68°F)

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