Mazda 626 Station Wagon, Workshop Manual, Page: 245 / 577

AUTOMATIC TRANSAXLE
Short circuit inspection
1. Inspect the following circuit for short.
• Power circuit (VSS connector terminal A to
main relay terminal D)
— If a short circuit is found, repair the
malfunctioning wiring harness.
— If there is no short circuit, perform the
sensor rotor inspection.
VS S
HA R N E S S SIDE C O N N E C TO R
(V IE W FRO M T E R M IN A L SIDE)
Sensor rotor inspection
1. Remove the VSS. (See K2-38 VEHICLE SPEED
SENSOR (VSS) REMOVAL/INSTALLATION.)
2. Shift the selector lever to N position.
3. Check sensor rotor surface via VSS installation
hole while rotating the front tire manually.
(1) Is sensor rotor free of damage and cracks?
(2) Is sensor rotor free of any metallic shavings or
particles?
• If sensor rotor is okay, replace VSS.
• If there is a problem, clean or replace
sensor rotor.
VEHICLE SPEED SENSOR (VSS)
REMOVAL/INSTALLATION
Caution
• Water or foreign objects entering the
connector can cause a poor connection or
corrosion. Be sure not to drop water or
foreign objects on the connector when
disconnecting it.
• If foreign materials are stuck to the VSS,
disturbance by magnetic flux can cause
sensor output to be abnormal and there by
negatively affect control. Make sure that
foreign materials such as Iron filings are
not stuck to the VSS during Installation.
1. Disconnect the negative battery cable.
2. Disconnect the VSS connector.
3. Remove the VSS.
4. Apply ATF to a new O-ring and install it on a new
VSS.
5. Install the VSS.
Tightening torque
7.9—10.7 N m
{80—110 Kgf cm., 69.5—95.4 inlbf}
6. Connect the VSS connector.
7. Connect the negative battery cable.
SOLENOID VALVES INSPECTION
Resistance Inspection (On-Vehicle Inspection)
Caution
• Water or foreign objects entering the
connector can cause a poor connection or
corrosion. Be sure not drop water or
foreign objects on the connector when
disconnecting It.
1. Disconnect the negative battery cable.
2. Remove the fresh-air duct and air cleaner
component. (See Section F1.)
3. Disconnect the transaxle connector.
K 2-38