B4000 Regular Cab 4WD V6-4.0L OHV (1997)
Electronic Shift Motor: Testing and Inspection
MOTOR
1. Disconnect the electronic shift motor assembly.
2. Check the resistance between the terminal (Y) wire and terminal (O) wire of the electronic shift motor assembly. Resistance should be
approximately 1.0 ohms.
3. If correct, go to magnetic clutch check.
4. If not as specified, replace the electronic shift motor assembly.
MAGNETIC CLUTCH
1. Disconnect the electronic shift motor assembly.
2. Check the resistance between the terminal (BR) wire of the electronic shift motor assembly and a ground. Resistance should be less than 10 ohms.
3. If correct, go to Assembly Sensors below.
4. If not as specified, replace the electronic shift motor assembly.
ASSEMBLY SENSORS
1. Remove the electronic shift motor assembly.