P Range check Low resistance

TYPICAL MALFUNCTION THRESHOLDS

Shift solenoid valve SR resistance

8 ohms or less

P0986: Range check (High resistance)

TYPICAL MALFUNCTION THRESHOLDS

Shift solenoid valve SR resistance

100 kohms or more

component operating range

COMPONENT OPERATING RANGE

Shift solenoid valve SR ¡Resistance: 11 to 15 ohms at 20°C (68°F)

wiring diagram wiring diagram

2006 TRANSMISSION A750E Automatic Transaxle - Sequoia

2006 Toyota Sequoia Part Diagram
Fig. 73: DTC P0985, P0986 - Wiring Diagram Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

HINT:

The shift solenoid valve SR turns ON/OFF normally when the shift lever is in the D position: ECM GEAR SHIFT COMMAND

ECM gear shift command

1st

2nd

3rd

4th

5th

Shift solenoid valve SR

OFF

OFF

OFF

OFF

ON

1. INSPECT TRANSMISSION WIRE (SHIFT SOLENOID VALVE SR)

a. Disconnect the E1 transmission wire connector.

b. Measure the resistance.

Standard resistance

TESTER CONNECTION AND SPECIFIED C

Tester Connection

Specified Condition

7 - Body ground

11 to 15 ohms at 20°C (68°F)

ONDITION

2006 TRANSMISSION A750E Automatic Transaxle - Sequoia

Fig. 74: Identifying E1 Transmission Wire Connector 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 AND SPECIFIED CONDITION

2006 TRANSMISSION A750E Automatic Transaxle - Sequoia

Tester Connection

Specified Condition

E7-9 (SR) - Body ground

11 to 15 ohms at 20°C (68°F)

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig. 75: Identifying E7 ECM Connector

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 75: Identifying E7 ECM Connector

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Was this article helpful?

0 0
Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

Get My Free Ebook


Post a comment