5. ECU (ELECTRONIC CONTROL UNIT) (E28, E32)

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Cuthbert Holmes
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1 5-28 ELECTRICAL WIRING DIAGRAMS 5. ECU (ELECTRONIC CONTROL UNIT) (E28, E32) 1) ~ 2002 MODEL (1) OVPR, FUEL PUMP, CANISTER PURGE VALVE, PEDAL MODULE CIRCUIT

2 ELECTRICAL WIRING DIAGRAMS 5-29 (2) SPARK PLUG, SENSOR (CAM SHAFT POSITION, NTC, CRANK SHAFT POSITION, THROTTLE MOTOR & SENSOR, KNOCK), CAM SHIFT ACTUATOR, RESONANCE FLAP CIRCUIT

3 5-30 ELECTRICAL WIRING DIAGRAMS (3) DIGITAL CLOCK, ENG TEMP SENSOR, IMMOBILIZER CIRCUIT

4 ELECTRICAL WIRING DIAGRAMS 5-31 (4) O 2 SENSOR

5 5-32 ELECTRICAL WIRING DIAGRAMS A. CONNECTOR INFORMATION Connector Number (Pin Number, Color) Connecting Wiring Harness Connector Position Remark C104 (20Pin, White) (D) - Engine C105 (22Pin, White) (E) - Engine C106 (18Pin, White) (F) - Engine C107 (14Pin, White) (J) - Engine C108 (4Pin, Colorless) (K) - Engine C109 (16Pin, White) (M) - Engine C113 (40Pin, Black) Engine - Engine Control Right Engine Room Dash PNL C114 (6Pin, Black) Engine - Engine Control Right Engine Room Dash PNL C203 (13Pin, Green) Under the I/P Fuse Box C204 (12Pin, Black) A/T C205 (11Pin, White) C210 (13Pin, Green) Engine - Main (RH) C217 (20Pin, Black) Floor - T/M C218 (22Pin, Yellow) Main - Floor (RH) C219 (13Pin, Green) Engine - Main (RH) C306 (6Pin, Black) Floor - Fuel Sender Left the T/C (Under the Floor) S101 (7Pin, -) OVPR 6 - Injector Inside the C113, C114 S102 (4Pin, -) OVPR 8 - IGN Coil Inside the Injector 6 S201 (14Pin, Black) W/H Main Upper the I/P Relay Box GND S206 (14Pin, Black) W/H Main Behind the Left the FATC G204 W/H Main G301 W/H Floor Under Driver Seat ECU GND

6 ELECTRICAL WIRING DIAGRAMS 5-33 B. CONNECTOR IDENTIFICATION SYMBOL & PIN NUMBER POSITION

7 5-34 ELECTRICAL WIRING DIAGRAMS 2) 2003 MODEL ~ (1) OVPR, FUEL PUMP, CANISTER PURGE VALVE, PEDAL MODULE CIRCUIT

8 ELECTRICAL WIRING DIAGRAMS 5-35 (2) SPARK PLUG, SENSOR(CAM SHAFT POSITION, NTC, CRANK SHAFT POSITION, THROTTLE MOTOR & SENSOR, KNOCK), CAM SHIFT ACTUATOR, RESONANCE FLAP CIRCUIT

9 5-36 ELECTRICAL WIRING DIAGRAMS (3) DIGITAL CLOCK, ENG TEMP SENSOR, IMMOBILIZER CIRCUIT

10 ELECTRICAL WIRING DIAGRAMS 5-37 (4) O 2 SENSOR

11 5-38 ELECTRICAL WIRING DIAGRAMS A. CONNECTOR INFORMATION Connector Number (Pin Number, Color) Connecting Wiring Harness Connector Position Remark C104 (20Pin, White) (D) - Engine C105 (22Pin, White) (E) - Engine C106 (18Pin, White) (F) - Engine C107 (14Pin, White) (J) - Engine C108 (4Pin, Colorless) (K) - Engine C109 (16Pin, White) (M) - Engine C113 (40Pin, Black) Engine - Engine Control Right Engine Room Dash PNL C114 (6Pin, Black) Engine - Engine Control Right Engine Room Dash PNL C203 (13Pin, Green) Under the I/P Fuse Box C204 (12Pin, Black) A/T C205 (11Pin, White) C206 (20Pin, Black) C207 (15Pin, Blue) C210 (13Pin, Green) Engine - Main (RH) C211 (14Pin, White) Main - Diagnosis Connector Upper the Diagnosis C215 (14Pin, White) Engine - Main (RH) ABS, ABD C217 (20Pin, Black) Engine - Main (RH) C218 (22Pin, Yellow) Main - Floor (RH) C219 (13Pin, Green) Engine - Main (RH) C903 (2Pin, White) Floor - Fuel Sender Left the T/C (Under the Floor) DSL S102 (4Pin, -) OVPR 8 - IGN Coil Inside the Injector 6 S201 (14Pin, Black) W/H Main Upper the I/P Relay Box GND S206 (14Pin, Black) W/H Main Behind the Left the FATC S301 (8Pin, Black) W/H Floor Under Driver Seat CAN () G204 W/H Main G301 W/H Floor Under Driver Seat ECU GND

12 ELECTRICAL WIRING DIAGRAMS 5-39 B. CONNECTOR IDENTIFICATION SYMBOL & PIN NUMBER POSITION

ELECTRICAL WIRING DIAGRAMS

SECTION 5 ELECTRICAL WIRING DIAGRAMS CONTENTS. ARTING & CHAING CIRCUIT... 5-8 ) GSL E M A/T... 5-8 ) GSL TRE A/T, GSL E M A/T...5-0 ) DSL NA TRE A/T, M/T... 5- ) DSL LA TRE A/T, M/T... 5-. PREHEAT'G UNIT