FBC System
- Start engine and allow to reach normal operating temperature. With ignition off, connect Engine Signal Monitor (49 9200 162
) and Adapter (49 U018 002
) to emission control unit and feedback control unit. See Fig 1
.
Courtesy of MAZDA MOTORS CORP.
- Test voltages should be as shown in the B2600 ECU & FCU TEST VOLTAGE tables in Fig 2
and Fig 3
. If voltage readings vary from specifications, check the corresponding sensor and related electrical wiring. Repair as necessary. See COMPONENT TESTING & INSPECTION
. Recheck with engine signal monitor to verify repair has fixed problem.
Courtesy of MAZDA MOTORS CORP.
Courtesy of MAZDA MOTORS CORP.