Trouble Diagnoses - Diagnostic Procedure 8: Exhaust Gas Sensor (Not self-diagnostic item)
EF & EC-96wiring diagram(CT) connector applies to models with catalyzer only
Diagnostic Procedure 8
EXHAUST GAS SENSOR (Not self-diagnostic item)
Exhaust Gas Sensor Wiring Schematic
Components (11)
E.C.C.S. Control UnitExhaust Gas SensorIgnition SwitchFUSEFUSIBLE LINKFUSE AND FUSIBLE LINK (In RELAY BOX)BATTERYENGINE GROUNDE.F.I. harnessEngine room harnessConnector E22
Connections (8)
Exhaust Gas Sensor
Exhaust Gas SensorE.C.C.S. Control Unit115-L— Pin 115, L (Blue)
Exhaust Gas SensorE.C.C.S. Control Unit29-W— Pin 29, W (White)
Ignition Switch
Ignition SwitchFUSEB/R— B/R (Black with Red stripe)
FUSE
FUSEEngine room harnessB/R— B/R (Black with Red stripe)
Engine room harness
Engine room harnessFUSIBLE LINKBR— BR (Brown)
FUSIBLE LINK
FUSIBLE LINKBATTERYW— W (White)
E.F.I. harness
E.F.I. harnessEngine room harnessBR— BR (Brown), connectors F10 (Brown) to E18
BATTERY
BATTERYConnector E22— Battery positive and negative connections
(CT) : For model with catalyzer
Component LocationFig. SEF546H
Component location photo showing exhaust gas sensor on engine
1Exhaust gas sensor(bottom-left of engine bay photo)