Mazda RX8 - Page 429

EPS Control Module
1. Check the display of DTC U1900, using the SST (WDS or equivalent). (See DTC TABLE
[MULTIPLEX COMMUNICATION SYSTEM] .)
Malfunction location
• Wiring harness 1
• Wiring harness 2
• Wiring harness 3
• Wiring harness 5
• PCM
• ABS HC/CM or DSC HU/CM
• EPS control module
ABS HU/CM or DSC HU/CM
1. Check the display of DTC U1900, using the SST (WDS or equivalent). (See DTC TABLE
[MULTIPLEX COMMUNICATION SYSTEM] .)
Malfunction location
• Wiring harness 1
• Wiring harness 3
• Wiring harness 5
• Wiring harness 6
• Wiring harness 8
• Wiring harness 10
• Wiring harness 11
• PCM
• Steering angle sensor
• ABS HU/CM or DSC HU/CM
TCM
1. Check the display of DTC U0100, using the SST (WDS or equivalent). (See DTC TABLE
[MULTIPLEX COMMUNICATION SYSTEM] .)
Malfunction location
• Wiring harness 1
• Wiring harness 3
• Wiring harness 4
• PCM
• TCM
Keyless Control Module
1. Check the display of DTC U1900, using the SST (WDS or equivalent). (See DTC TABLE
[MULTIPLEX COMMUNICATION SYSTEM] .)
(w) RX-8 Body
Page 429