Inspection Procedure
WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
Shift solenoid valve S1 is turned on/off normally when the shift lever is in the D position:
SHIFT SOLENOID VALVE REFERENCE
| Gearshift controlled by ECM | 1st | 2nd | 3rd | 4th |
| Shift solenoid valve S1 | ON | ON | OFF | OFF |
- INSPECT TRANSMISSION WIRE (SHIFT SOLENOID VALVE S1)
- Disconnect the transmission wire connector from the transaxle.
- Measure the resistance.
Standard resistance
STANDARD RESISTANCE SPECIFICATIONTester Connection Specified Condition 5 (S1) - Body ground 11 Ω to 15 Ω at 20°C (68°F)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: Go to step 3
OK: go to next step
- CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM)
- Connect the transmission connector to the transaxle.
- Disconnect the ECM connector.
- Measure the resistance.
Standard resistance
STANDARD RESISTANCE SPECIFICATIONTester Connection Specified Condition 79 (S1) - Body ground 11 Ω to 15 Ω at 20°C (68°F)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: REPLACE ECM (See REMOVAL )
- INSPECT SHIFT SOLENOID VALVE S1
- Remove shift solenoid valve S1.
- Measure the resistance.
Standard resistance
STANDARD RESISTANCE SPECIFICATIONTester Connection Specified Condition Solenoid Connector (S1) - Solenoid Body (S1) 11 to 15 Ω at 20°C (68°F) - Connect the positive (+) lead to the terminal of the solenoid connector and the negative (-) lead to the solenoid body to check the solenoid valve operation.
OK:
The solenoid makes operating sounds.
NG: REPLACE SHIFT SOLENOID VALVE S1 (See DISASSEMBLY )
OK: REPAIR OR REPLACE TRANSMISSION WIRE (See REMOVAL )