Tacoma Extra Cab 2WD L4-2438cc 2.4L DOHC MFI (1997)
Overdrive Solenoid: Testing and Inspection
1. Inspect O/D solenoid.
a. Using an ohmmeter. measure the resistance between terminals.
Resistance: 11-15 ohms
b. Apply battery positive voltage to the solenoid. Check that the solenoid operation sound is heard.
2. Check solenoid seals.
If there is foreign material in the solenoid valve, there will be no fluid control even with solenoid operation.
a. Check that the solenoid valve opens when low pressure compressed air is applied.
b. When supplying battery positive voltage to the solenoid, check that the solenoid valve does not leak air.
