Checking wave form - rear -
Fig. 10
Technical Data
Terminals Wheel speed sensor
2R & 2Q
Left hand
2S & 2T
Right hand
Ensure ignition switched OFF.
Raise vehicle.
Disconnect ECU multi-plugs.
Connect breakout box to 18-pin harness multi-plug.
Connect oscilloscope between breakout box terminals.
Turn road wheel at approximately 60 rpm.
Check wave form of wheel speed sensor.
If wave form not as specified:
Disconnect relevant wheel speed sensor multi-plug.
Turn road wheel at approximately 60 rpm.
Check wave form between wheel speed sensor terminals.
If wave form as specified: Check wiring.
If wave form not as specified: Suspect faulty wheel speed sensor.
Repeat test for other wheel speed sensor.
Relay module
NOTE: Relay module incorporates system relay and pump motor relay.
Checking supply voltage -
Fig. 11
Technical Data
Terminals Condition
Voltage
b & earth
Ignition OFF Battery voltage
d & earth
Ignition ON
Battery voltage
Ensure ignition switched OFF.
Remove relay module.
Check voltage between relay module base terminal and earth.
Switch ignition ON.
Check voltage between relay module base terminal and earth.
If voltage not as specified: Check wiring and fuses.
Checking earth connection -
Fig. 11
Technical Data
Terminals Resistance
a & earth
Zero
Ensure ignition switched OFF.
Remove relay module.
Check resistance between relay module base terminal and earth.
If resistance not as specified: Check wiring.
Checking operation - system relay contacts -
Fig. 12
Manufacturer: Mazda
Model: Xedos 6 (CA) 2,0
Engine code: KF
Output: 103 (140) 6000
Tuned for: R-Cat
Year: 1995-00
© Autodata Limited 2004
26.03.2007
V5.500-