Diagnostic Procedure 1 — POWER SOURCE & GROUND CIRCUIT FOR E.C.U. (Not self-diagnostic item)
EF & EC-80wiring diagramL.H. drive model and R.H. drive model variants noted on wiring diagram. Connector/harness routing may differ between drive configurations.
TROUBLE DIAGNOSES
Diagnostic Procedure 1
POWER SOURCE & GROUND CIRCUIT FOR E.C.U. (Not self-diagnostic item)
Power Source & Ground Circuit for E.C.U.
Components (30)
E.C.C.S. Control UnitFuse F1Fuse F1Check ConnectorIgnition SwitchFuse (In relay box)Fusible LinkFuse and Fusible Link (In Relay Box)E.C.C.S. RelayBatteryEngine GroundConnector F10 (Brown)Connector F9 (Gray)Connector F8 (White)Connector E22ECCS CONTROL UNIT pin 107ECCS CONTROL UNIT pin 108ECCS CONTROL UNIT pin 109ECCS CONTROL UNIT pin 116ECCS CONTROL UNIT pin 10ECCS CONTROL UNIT pin 16ECCS CONTROL UNIT pin 25ECCS CONTROL UNIT pin 45ECCS CONTROL UNIT pin 49ECCS CONTROL UNIT pin 56ECCS CONTROL UNIT pin 59ECCS CONTROL UNIT pin 60IGNITION SWITCH ONMAIN HARNESSCHECK CONNECTOR M3
Connections (29)
ECCS CONTROL UNIT pin 107
ECCS CONTROL UNIT pin 107Engine GroundB
ECCS CONTROL UNIT pin 108
ECCS CONTROL UNIT pin 108Engine GroundB
ECCS CONTROL UNIT pin 109
ECCS CONTROL UNIT pin 109Engine GroundB/W
ECCS CONTROL UNIT pin 116
ECCS CONTROL UNIT pin 116Engine GroundB
ECCS CONTROL UNIT pin 10
ECCS CONTROL UNIT pin 10Connector F10 (Brown)B
ECCS CONTROL UNIT pin 16
ECCS CONTROL UNIT pin 16Connector F10 (Brown)R/B
ECCS CONTROL UNIT pin 25
ECCS CONTROL UNIT pin 25Engine GroundB
ECCS CONTROL UNIT pin 45
ECCS CONTROL UNIT pin 45Connector F9 (Gray)B/R
ECCS CONTROL UNIT pin 49
ECCS CONTROL UNIT pin 49Connector F9 (Gray)B/R
ECCS CONTROL UNIT pin 56
ECCS CONTROL UNIT pin 56Connector F9 (Gray)B
ECCS CONTROL UNIT pin 59
ECCS CONTROL UNIT pin 59Connector F9 (Gray)B/W
ECCS CONTROL UNIT pin 60
ECCS CONTROL UNIT pin 60Connector F9 (Gray)B
Connector F10 (Brown)
Connector F10 (Brown)E.C.C.S. RelayR/B
Connector F9 (Gray)
Connector F9 (Gray)E.C.C.S. RelayR/B
Connector F8 (White)
Connector F8 (White)E.C.C.S. RelayB/W
Connector F8 (White)E.C.C.S. RelayB/R
E.C.C.S. Relay
E.C.C.S. RelayBatteryR/B
IGNITION SWITCH ON
IGNITION SWITCH ONFuse (In relay box)B/W
Fuse (In relay box)
Fuse (In relay box)E.C.C.S. RelayW
Fusible Link
Fusible LinkFuse (In relay box)W
Fusible LinkFuse (In relay box)R
Battery
BatteryFusible LinkR/B
Fuse F1
Fuse F1MAIN HARNESSB/W
Fuse F1
Fuse F1MAIN HARNESSB/W
Ignition Switch
Ignition SwitchCHECK CONNECTOR M3B/W
Ignition SwitchFuse F1B/W
Ignition SwitchFuse F1B/W
Connector E22
Connector E22E.C.C.S. RelayB/W
Connector E22E.C.C.S. RelayB/R
Component LocationFig. SEF513H
Component location diagram showing ECCS relay position in engine bay.
1E.C.C.S. relay(engine bay, upper left area)
NOTE
(L) : L.H. drive model
(R) : R.H. drive model