Terminal number

Wire colour

Terminal name

Description

Signal

1*7

RED

VTS 2 (VTEC SOLENOID VALVE 2)

Drives VTEC solenoid valve 2

At idle: about 0 V

2

YEL

INJ4 (No. 4 INJECTOR)

Drives No. 4 injector

With ignition switch ON (II): battery voltage

At idle: duty controlled

3

BLU

INJ3 (No. 3 INJECTOR)

Drives No. 3 injector

4

RED

INJ2 (No. 2 INJECTOR)

Drives No. 2 injector

5

BRN

INJ1 (No. 1 INJECTOR)

Drives No. 1 injector

6

GRN

FANC (RADIATOR FAN CONTROL)

Drives radiator fan relay

With radiator fan running: about 0 V

With radiator fan stopped: battery voltage

7*18

RED/BLK

LSA + (A/T PRESSURE CONTROL SOLENOID VALVE A + SIDE

Drives A/T pressure control solenoid valve A

With the ignition switch ON (II): duty controlled

7*16

GRN/WHT

HLCLS + (CVT PULLEY PRESSURE CONTROL VALVE + SIDE))

Drives CVT pulley pressure control valve

With ignition switch ON (II): pulsing signal

8

RED/WHT

ECT (ENGINE COOLANT TEMPERATURE (ECT) SENSOR)

Detects ECT sensor signal

With the ignition switch ON (II): about 0.1-4.8 V

(depending on engine coolant temperature)

10

WHT/BLU

ALTL (ALTERNATOR L SIGNAL)

Detects alternator L signal

With ignition switch ON (II): about 0 V

With engine running: battery voltage

13

WHT/RED

ALTF (ALTERNATOR FR SIGNAL)

Detects alternator FR signal

With engine running: 0 V-5 V

(depending on electrical load)

14*3

BLU/RED

EGR (EXHAUST GAS RECIRCULATION (EGR) VALVE)

Drives EGR valve

With EGR operating: duty controlled

With EGR not operating: about 0 V

15*6

GRN/YEL

VTS (VTS 1) (VTEC SOLENOID VALVE (1))

Drives VTEC solenoid valve (1)

At idle: about 0 V

16*18

BLK/RED

LSB + (A/T PRESSURE CONTROL SOLENOID VALVE B + SIDE

Drives A/T pressure control solenoid valve B

With the ignition switch ON (II): duty controlled

16*16

YEL/GRN

SCLS + (CVT START CLUTCH PRESSURE CONTROL VALVE + SIDE)

Drives CVT start clutch pressure control valve

With ignition switch ON (II): pulsing signal

17

RED/YEL

IAT (INTAKE AIR TEMPERATURE (IAT) SENSOR)

Detects IAT sensor signal

With ignition switch ON (II): about 0.1 V-4.8 V

(depending on intake air temperature)

18*5

WHT/GRN

ALTC (ALTERNATOR CONTROL)

Sends alternator control signal

With engine running: about 0 - 5 V

(depending on electrical load)

21*14

YEL/BLU

PCS (EVAPORATIVE EMISSION (EVAP) CANISTER PURGE VALVE)

Drives EVAP canister purge valve

With engine running, engine coolant below 70°C (158°F): battery voltage

With engine running, engine coolant above 70°C (158°F): duty controlled

24*16

BLU/WHT

SHLS + (CVT SPEED CHANGE CONTROL VALVE + SIDE)

Drives CVT speed change control valve

With ignition switch ON (II): duty controlled

*1: with TWC model (except KV model)

*2: without TWC model

*3: D15Y4, D17A2 (KU, KQ, KZ, FO models) engines

*4: with cruise control

*5: D15Y4, D17A2 (KU model) engines

*6: D15Y4, D16W8, D16W9, D17A2, D17A5, D17Z3, D17Z4 engines

*7: D16W8, D16W9 engines

*8: except D15Y2, D15Y3, D15Y5, D15Y6 engines

*9: D15Y6 engine

*10: D15Y4, D17A2 (KU, KQ, KZ, FO models), D17Z1 (KQ model) engines

*11:KU model

*12 except KU model

*13: D15Y6, D15Y3 (KY model with immobiliser, KN model), D15Y5, D15Y4, D17Z1 (KQ, KZ models), D17A1 (KK model), D17A2 (except MA model), D17A5 (KY model with immobiliser, KN model) engines

*14: except D15Y3 (PA, KW, KT, KN models), D16W9 (PA model), D17A5 (KN model) engines

*15: A/T and M/T

*16: CVT

*17: A/T and CVT

*18: A/T

*19:except D15Y6, D15Y3 (KY model with immobiliser, KN model), D15Y5, D15Y4, D17Z1 (KQ, KZ models), D17A1 (KK model), D17A2 (except MA model), D17A5 (KY model with immobiliser, KN model) engine