Mazda 323 Workshop Manual Supplement page 120

F2
FUEL AND EMISSION
CONTROL SYSTEMS
(WITH CATALYTIC CONVERTER)
.
INDEX ..*.........**.*.........*..........*...... F2- 2
OUTLINE ...................................... F2- 4
OUTLINE OF CONSTRUCTION.. .... F2- 4
SYSTEM DIAGRAM ...................... F2- 5
VACUUM HOSE ROUTING
DIAGRAM [BP TURBO] ............... F2- 7
WIRING DlAGRAM.. ..................... FZ- 8
ECU REtATlONSHIP DIAGRAM
[BP TURBO] .............................. F2-10
SPEClFtCATlONS. ........................ F2-11
TURBOCHARGER CONTROL
[BP TURBO] ................................
F2-I 2
OUTLINE
.................................... F2-I 2
SYSTEM DIAGRAM ................. .; ... F2-12
WASTEGATE CONTROL
...............
F2-13
FUEL,SYSTEM
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F2-15
OUTLINE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F2-15
CONSTRUCTlON ......................... F2-15
FUEL VAPOR VALVE ................... F2-16
FUEL PUMP CONTROL SYSTEM.. . F2-16
FUEL PUMP RESISTOR/RELAY ...... F2-18
TRANSFER PUMP CONTROL. ....... F2-I 8
CONTROL SYSTEM ....................... F2-20
STRUCTURAL VIEW.. ................... F2-20
OVERBOOST WARN!NG BUZZER
[BP TURBO]
.............................. F2-21
TURBOCI-IARGE INDICATOR
[BP TURBO]
.............................. F2-21
KNOCK CONTROL SYSTEM
[BP TURBO]
.............................. F2-22
OXYGEN SENSOR [BP TURBO]. .... F2-23
PRESSURE REGULATOR CONTROL
SYSTEM [BP TURBO] ................. F2-23
A/C CUT-OFF SYSTEM
(ATX)
.........
F2-24
SUPPLEMENTAL SERVICE
INFORMATION
.............................
F2-25
SELF-DIAGNOSIS FUNCTION ..........
F2-26
OUTLINE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F2-26
MALFUNCTION CODE NUMBERS . . F2-26
TROUBLESHOOTtNG GUIDE
[BP TURBO1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F2-31
RELATlONSHlP CHART
................ F2-31
SYMPTOM TRUUBLESH0OTlNG
.... F2-32
tNTAKE AIR SYSTEM .....................
F2-43
COMPONENTS
............................
F2-43
TURBOCHARGERCONTROL
SYSTEM ......................................
F2-45
PREPARATION ............................
F2-45
SYSTEM OPERATION ...................
F2-45
WASTEGATE
...............................
F2-45
WASTEGATE SOLENOID VALVE..
.. F2-46
TURBOCHARGER
........................ F2-46
AIR BYPASS VALVE .....................
F2-48
INTERCOOLER
............................
F2-49
FUEL SYSTEM
.............................. F2-50
PREPARATION ............................
F2-50
PRECAUTION
............................. F2-50
FUEL TANK
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F2-51
TRANSFER PUMP CONTROL
SYSTEM
...................................
F2-52
FUEL PUMP CONTROL UNIT ........
F2-53
TRANSFER PUMP SWITCH
........... F2-54
TRANSFER PUMP.. ......................
F2-54
FUEL PUMP RESISTOR/RELAY
...... F2-56
INJECTOR
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F2-56
EXHAUST SYSTEM
COMPONENTS
....................................................
;ff;
CONTROL SYSTEM .......................
F2-59
PREPARATION
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
F2-59
ENGINE CONTROL UNIT
(ECU) ..... F2-59
OXYGEN SENSOR .......................
F2-68
KNOCK SENSOR
......................... F2-69
93GOF2.701