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Electronic Control System Wiring Diagram

Fig 1: Electronic Control System Wiring Diagram
G04720924Courtesy of SUZUKI OF AMERICA CORP.
Fig 2: Electronic Control System Wiring Diagram Reference & Terminal Arrangement Of ECM Connector
G04720925Courtesy of SUZUKI OF AMERICA CORP.

Connector "E61" 

CONNECTOR "E61" REFERENCE

Terminal Wire color Circuit
E61-1 GRY/YEL Ground for mass air flow (MAF) sensor
E61-2 WHT Power source for internal memory
E61-3 - -
E61-4 GRY Throttle position signal for cruise control module
E61-5 - -
E61-6 BRN Engine revolution (ignition pulse) signal for tachometer
E61-7 PPL/YEL MIL ("SERVICE ENGINE SOON" lamp) output
E61-8 PNK A/C compressor relay output (if equipped)
E61-9 BLU Main power supply relay output
E61-10 - -
E61-11 - -
E61-12 - -
E61-13 PPL/RED Serial communication line of data link connector
E61-14 - -
E61-15 - -
E61-16 PNK/WHT Electric load signal for blower motor
E61-17 GRN/BLK A/C request signal (if equipped)
E61-18 BLU/ORN Relay of high speed side for A/C condenser fan motor
E61-19 - -
E61-20 ORN Medium pressure signal for A/C refrigerant pressure switch
E61-21 GRY/RED IMT vacuum solenoid valve output
E61-22 YEL/BLU Relay output of low speed side for A/C condenser fan motor (if equipped)
E61-23 WHT/GRN Fuel pump relay output
E61-24 LT BLU Intake air temp. (IAT) sensor signal
E61-25 YEL/WHT ECT signal for combination meter
E61-26 - -
E61-27 PPL/WHT Mass air flow (MAF) sensor signal
E61-28 BLU/WHT Fuel level signal
E61-29 - -
E61-30 PNK/BLK Idle up signal from ABS control module (if equipped)
E61-31 BLU/ORN Power steering pressure switch signal
E61-32 WHT CAN communication line (Active Low Signal)
E61-33 RED CAN communication line (Active High Signal)
E61-34 GRN/WHT Electric load signal for stop lamp
E61-35 - -

Connector "C51-3" 

CONNECTOR "C51-3" REFERENCE

Terminal Wire Color Circuit
C51-3-1 BRN/RED EVAP leak check pressure sensor signal
C51-3-2 GRN Engine coolant temp. (ECT) signal
C51-3-3 WHT Knock sensor signal
C51-3-4 BLU/BLK Main power supply
C51-3-5 GRY Output of 5 V power source for EVAP leak check pressure sensor
C51-3-6 BLK/GRN Ground for ECM
C51-3-7 GRY/BLU EVAP leak detecting pump output
C51-3-8 RED/WHT Manifold absolute pressure (MAP) sensor signal
C51-3-9 RED/GRN Throttle position (TP) sensor signal
C51-3-10 BRN/WHT Ground for EVAP leak check pressure sensor
C51-3-11 RED Oxygen signal of heated oxygen sensor-1 (Bank 1)
C51-3-12 GRY/YEL Ground for throttle position (TP) sensor
C51-3-13 GRY/RED Output of 5 V power source for throttle position (TP) sensor
C51-3-14 GRY/RED Output of 5 V power source for Manifold absolute pressure (MAP) sensor
C51-3-15 BLU/BLK Main power supply
C51-3-16 - -
C51-3-17 BLK/ORN Ground for ECM
C51-3-18 PPL/RED EVAP canister vent valve output
C51-3-19 - -
C51-3-20 BLK/WHT Ignition switch signal
C51-3-21 RED/BLU Oxygen signal of heated oxygen sensor-1 (Bank 2)
C51-3-22 RED/BLK Oxygen signal of heated oxygen sensor-2 (Bank 1)
C51-3-23 RED/YEL Oxygen signal of heated oxygen sensor-2 (Bank 2)
C51-3-24 - -
C51-3-25 GRY/YEL Ground for sensors
C51-3-26 GRY/YEL Ground for CMP sensor

Connector "C51-1"

CONNECTOR "C51-1" REFERENCE

Terminal Wire Color Circuit
C51-1-1 - -
C51-1-2 - -
C51-1-3 - -
C51-1-4 PPL/BLK IAC valve output (stepper motor coil 2)
C51-1-5 LT GRN/BLK IAC valve output (stepper motor coil 1)
C51-1-6 - -
C51-1-7 - -
C51-1-8 - -
C51-1-9 - -
C51-1-10 - -
C51-1-11 - -
C51-1-12 YEL/GRN Reference signal for CMP sensor
C51-1-13 YEL/BLU Position signal for CMP sensor
C51-1-14 BLU/YEL Vehicle speed sensor signal
C51-1-15 GRN/BLK EVAP canister purge valve output
C51-1-16 PPL/YEL IAC valve output (stepper motor coil 4)
C51-1-17 GRY/BLU IAC valve output (stepper motor coil 3)
C51-1-18 - -
C51-1-19 - -
C51-1-20 - -
C51-1-21 - -
C51-1-22 - -
C51-1-23 - -
C51-1-24 BLK/YEL Starting motor signal
C51-1-25 - -
C51-1-26 - -
C51-1-27 - -
C51-1-28 - -

Connector "C51-2" 

CONNECTOR "C51-2" REFERENCE

Terminal Wire Color Circuit
C51-2-1 PNK/BLK Fuel injector No.2 output
C51-2-2 PNK Fuel injector No.1 output
C51-2-3 - -
C51-2-4 GRY Heater output of heated oxygen sensor-1 (Bank 1)
C51-2-5 BLK/RED Heater output of heated oxygen sensor-1 (Bank 2)
C51-2-6 - -
C51-2-7 BLK/GRN Ground for ECM
C51-2-8 PNK/BLU Fuel injector No.4 output
C51-2-9 PNK/GRN Fuel injector No.3 output
C51-2-10 - -
C51-2-11 - -
C51-2-12 LT GRN/RED EGR valve (stepper motor coil 4) output
C51-2-13 LT GRN/YEL EGR valve (stepper motor coil 3) output
C51-2-14 LT GRN/WHT EGR valve (stepper motor coil 2) output
C51-2-15 LT GRN EGR valve (stepper motor coil 1) output
C51-2-16 WHT/BLK Heater output of heated oxygen sensor-2 (Bank 1)
C51-2-17 PNK/WHT Heater output of heated oxygen sensor-2 (Bank 2)
C51-2-18 - -
C51-2-19 WHT/BLU CKP sensor signal (+)
C51-2-20 ORN/BLU CKP sensor signal (-)
C51-2-21 GRY/BLK Fuel injector No.6 output
C51-2-22 GRY/GRN Fuel injector No.5 output
C51-2-23 BLK/BRN Ignition coil No.6 output
C51-2-24 BRN/RED Ignition coil No.5 output
C51-2-25 BRN/YEL Ignition coil No.4 output
C51-2-26 BRN/WHT Ignition coil No.3 output
C51-2-27 BRN/BLK Ignition coil No.2 output
C51-2-28 BRN Ignition coil No.1 output
C51-2-29 - -
C51-2-30 - (shield ground) Ground of shield wire for CKP sensor