ECM Terminal Arrangement

WARNING: This page is about a different car, the 2014 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.

Check ECM.

Fig 1: ECM Terminal Layout

Courtesy of SUBARU OF AMERICA, INC.

Terminal No. (. symbol)

Wiring color

Terminal description

Condition

Standard value

A33-3 (BRK2) - A33-4 (GNDBY)

BRB - BL

Brake signal

IG ON, brake pedal depressed

Less than 1 V

IG ON, brake pedal released

11 to 14 V

A33-7 (BRK2) - A33-4 (GNDBY)

R - BL

Stop light signal

IG ON, brake pedal depressed

11 to 14 V

IG ON, brake pedal released

Less than 1 V

A33-15 (CLT)⁽¹⁾ - A33-4 (GNDBY)

RY - BL

Clutch switch circuit

IG ON, clutch pedal depressed

Less than 1 V

IG ON, clutch pedal released

11 to 14 V

A33-30 (CCMD) - A33-4(GNDBY)

WL - BL

Cruise control main switch circuit

All switch OFF released

1 MΩ or more

Cruise ON/OFF switch ON

Less than 1 Ω

+/RES switch ON

235 ~ 245 Ω

-/SET Switch ON

617-643 Ω

CANCEL switch ON

1509 ~ 1571 Ω

⁽¹⁾	For manual transmission