Toyota CH-R Service Manual: Terminals Of Ecu

TERMINALS OF ECU

OCCUPANT DETECTION ECU

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

Y5-1 (SVC1) - Y5-5 (SGD1)

R - G

Front in weight detection sensor sub-assembly power supply

Ignition switch ON

11 to 14 V

Y5-2 (SVC3) - Y5-6 (SGD3)

GR - W

Rear in weight detection sensor sub-assembly power supply

Ignition switch ON

11 to 14 V

Y5-3 (SIG1) - Y5-5 (SGD1)

P - G

Front in weight detection sensor sub-assembly signal

Ignition switch ON

Pulse generation

Y5-4 (SIG3) - Y5-6 (SGD3)

SB - W

Rear in weight detection sensor sub-assembly signal

Ignition switch ON

Pulse generation

Y5-5 (SGD1) - Y6-10 (GND)

G - W-B

Front in weight detection sensor sub-assembly ground

Always

Below 1 V

Y5-6 (SGD3) - Y6-10 (GND)

W - W-B

Rear in weight detection sensor sub-assembly ground

Always

Below 1 V

Y6-4 (CANL) - Y6-10 (GND)

SB - W-B

CAN communication line

Ignition switch ON

Pulse generation

Y6-5 (CANH) - Y6-10 (GND)

R - W-B

CAN communication line

Ignition switch ON

Pulse generation

Y6-6 (IG2) - Y6-10 (GND)

B - W-B

Power source

Ignition switch ON

11 to 14 V

Y6-7 (BSW) - Y6-9 (BGND)

G - P

Passenger side buckle switch signal

Always

Pulse generation

Y6-9 (BGND) - Y6-10 (GND)

P - W-B

Passenger side buckle switch ground

Always

Below 1 V

Y6-10 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 V

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