Mazda RX-8 Workshop Manual page 2748

Is the wiring harness normal?
INSPECT THE WIRING HARNESS BETWEEN THE SAS CONTROL
3 MODULE AND INSTRUMENT CLUSTER FOR A SHORT CIRCUIT TO
THE POWER SUPPLY
Connect the negative battery cable.
Turn the ignition switch to the ON position with SAS
control module connector and instrument cluster connector
disconnected.
Measure the voltage of SAS control module connector
terminals 2T of SAS control module harness side
connector.
NOTE:
Measure the voltage while shaking the wiring harness
between the SAS control module and instrument cluster.
Is the voltage measured?
INSPECT INSTRUMENT CLUSTER
4
Turn the ignition switch to the LOCK position.
Disconnect the negative battery cable and wait for 1 min
or more.
Connect the instrument cluster connector.
Ground instrument cluster connector terminal 2K using a
jumper wire.
Connect the negative battery cable.
Turn the ignition switch to the ON position.
Does the seat belt warning light illuminate?
INSPECT DTCs
5
Turn the ignition switch to the LOCK position.
Disconnect the negative battery cable and wait for 1 min
or more.
Reconnect all disconnected connectors.
Connect the negative battery cable.
Turn the ignition switch to the ON position.
Clear DTCs using the M-MDS.(See
Perform the DTC inspection for the SAS control module
using the M-MDS. (See
Is DTC B1869 and/or B1870 displayed again?
CLEARING
DTC DISPLAY.)
YesReplace the wiring harness
No Go to the next step.
YesGo to the next step.
No Replace the instrument
YesReplace the SAS control
No DTC troubleshooting
DTC.)
between the SAS control
module and the
Instrument cluster.
cluster.
(See INSTRUMENT
CLUSTER
REMOVAL/INSTALLATION)
module.
(See SAS CONTROL
MODULE
REMOVAL/INSTALLATION.)
completed.