Mazda RX8 - Page 441

INSPECT WIRING HARNESS BETWEEN EPS CONTROL
MODULE AND ABS (DSC) HU/CM
• Disconnect negative battery cable.
• Disconnect EPS control module connector.
• Disconnect ABS (DSC) HU/CM connector.
• Inspect following wiring harness between EPS control
module and ABS (DSC) HU/CM terminals for short to
ground, short power supply, and open circuit:
ABS
 2KR (CAN_L)
 2MO (CAN_H)
DSC
 2KI (CAN_L)
 2MH (CAN_H)
• Is wiring harness normal?
No Replace wiring harness.
Yes Go to Step 44.
37
INSPECT WIRING HARNESS BETWEEN PCM AND ABS
(DSC) HU/CM
• Disconnect negative battery cable.
• Disconnect PCM connector.
• Disconnect ABS (DSC) HU/CM connector.
• Inspect following wiring harness between PCM and ABS
(DSC) HU/CM terminals for short to ground, short power
supply, and open circuit:
ABS
 4SR (CAN_L)
 4VO (CAN_H)
DSC
 4SI (CAN_L)
 4VH (CAN_H)
• Is wiring harness normal?
No Replace wiring harness.
Yes Go to the next step.
38
INSPECT TCM CONNECTOR
• Disconnect negative battery cable.
• Disconnect TCM connector.
• Is TCM connector normal?
No Replace wiring harness.
(w) RX-8 Body
Page 441