Mazda RX8 - Page 442

Yes
Replace TCM, then go to
Step 44.
39
INSPECT WIRING HARNESS BETWEEN TCM AND
INSTRUMENT CLUSTER
• Disconnect instrument cluster connector.
• Inspect following wiring harness between TCM and
instrument cluster terminals for short to ground, short power
supply, and open circuit:
 1Y1L (CAN_L)
 1V1J (CAN_H)
• Is wiring harness normal?
No Replace wiring harness.
Yes Go to the next step.
40
INSPECT EPS CONTROL MODULE CONNECTOR
• Disconnect negative battery cable.
• Disconnect EPS control module connector.
• Is EPS control module connector normal?
No Replace wiring harness.
Yes
Replace EPS control module,
then go to Step 44.
41
INSPECT WIRING HARNESS BETWEEN EPS CONTROL
MODULE AND INSTRUMENT CLUSTER
• Disconnect instrument cluster connector.
• Inspect following wiring harness between EPS control
module and instrument cluster terminals for short to ground,
short power supply, and open circuit:
 2K1L (CAN_L)
 2M1J (CAN_H)
• Is wiring harness normal?
No Replace wiring harness.
Yes Go to the next step.
42
INSPECT PCM CONNECTOR
• Disconnect negative battery cable.
• Disconnect PCM connector.
• Is PCM connector normal?
No Replace wiring harness.
Yes
Replace PCM, then go to the
next step.
43
INSPECT WIRING HARNESS BETWEEN PCM AND
INSTRUMENT CLUSTER
• Disconnect PCM connector.
• Inspect following wiring harness between PCM and
instrument cluster terminals for short to ground, short power
supply, and open circuit:
 4S1L (CAN_L)
 4V1J (CAN_H)
• Is wiring harness normal?
No Replace wiring harness.
44 CHECK DTC INDICATE Yes Repeat from Step 1.
(w) RX-8 Body
Page 442