K8 DOHC - ENGINE CONTROL SYSTEM - IGNITION SYSTEM
Z-40wiring diagramK8 DOHC V6 engine. DRL relay Canada-only. Legend marks ATX and Canada ATX variants. Many wire-color details on this dense full-page diagram could not be read at the available resolution and were left out rather than guessed.
B-2a K8 DOHC - ENGINE CONTROL SYSTEM - IGNITION SYSTEM
K8 DOHC Engine Control System / Ignition System
Components (23)
Battery100A MAIN fuse40A BTN fuse5A ROOM fuse30A FUEL INJ fuse15A ENGINE fuseIgnition switchECM connectorMain RelayDistributorFuel Injector RH (No.1/No.3)Fuel Injector LH (No.2/No.4)IAC valveEGR solenoid valve (vent)Heated Oxygen Sensor LHHeated Oxygen Sensor RHFuel Pump Relay (Section B-3)Data Link Connector (Section U-2)Data Link Connector (Section J-2)Instrument Cluster (Section C-2a)DRL Relay (Section E-3, Canada)VICS Solenoid Valves (Section B-2c)GROUND
Connections (8)
Battery
Battery100A MAIN fuse??
Main Relay
Main RelayFuel Injector RH (No.1/No.3):No.1W/R
Main RelayFuel Injector LH (No.2/No.4):No.2W/R
Main RelayIAC valveW/R
Main RelayEGR solenoid valve (vent)W/R
Distributor
DistributorGROUNDB/LG
Heated Oxygen Sensor LH
Heated Oxygen Sensor LHGROUNDB/L
Heated Oxygen Sensor RH
Heated Oxygen Sensor RHGROUNDB/L
NOTE
Legend notation: ( )...ATX, < >...Canada ATX, < >...Canada.
Component connector terminal layouts (legend)
B2-02
ComponentMain Relay
Terminals / ColorsW/R | B
B2-03
ComponentDistributor (EM)
Terminals / ColorsO | B/P | W/V | V/G | W/R | B
B2-04
ComponentFuel Injector RH (EM)
Terminals / ColorsY/R | O
B2-05
ComponentFuel Injector LH (EM)
Terminals / ColorsW/R | P | GY
B2-06
ComponentIAC valve (EM)
Terminals / ColorsL/O | W/R
B2-07
ComponentEGR solenoid valve (vent) (EM)
Terminals / ColorsW/V | W/R
B2-08
ComponentHeated Oxygen Sensor LH (EM)
Terminals / ColorsB/L | W/R | B
B2-09
ComponentHeated Oxygen Sensor RH (EM)
Terminals / ColorsW | B