Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001FWRH
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 -           ]
Title: LIGHTING (INT): LIGHTING SYSTEM: TERMINALS OF ECU; 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]

TERMINALS OF ECU

CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

*1

Main Body ECU (Multiplex Network Body ECU)

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-

(a) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

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(b) Connect the instrument panel junction block assembly connectors.

(c) Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

A-32 (IG) - Body ground

None - Body ground

Ignition power supply

Ignition switch ON

11 to 14 V

Ignition switch off

Below 1 V

A-31 (BECU) - Body ground

None - Body ground

Auxiliary battery power supply

Ignition switch off

11 to 14 V

A-30 (ACC) - Body ground

None - Body ground

ACC power supply

Ignition switch ACC

11 to 14 V

Ignition switch off

Below 1 V

A-11 (GND1) - Body ground

None - Body ground

Ground

Always

Below 1 Ω

(d) Install the main body ECU (multiplex network body ECU).

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(e) Measure the voltage and pulse according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition
*1: w/ Memory Call Function

*2: w/o Memory Call Function

*3: w/ Footwell Light

G44-1 (FLCY) - Body ground

R - Body ground

Front door courtesy light switch assembly LH input

Front door LH open

Below 1 V

Front door LH closed

4.7 to 5.3 V

G44-6 (FRCY) - Body ground

BE - Body ground

Front door courtesy light switch assembly RH input

Front door RH open

Below 1 V

Front door RH closed

4.7 to 5.3 V

4H-24 - Body ground

G - Body ground

Rear door courtesy light switch assembly LH input

Rear door LH open

Below 1 V

Rear door LH closed

4.7 to 5.3 V

4A-31 - Body ground

LA-V - Body ground

Rear door courtesy light switch assembly RH input

Rear door RH open

Below 1 V

Rear door RH closed

4.7 to 5.3 V

4H-34 - Body ground

B - Body ground

Back door courtesy light switch input

Back door open

Below 1 V

Back door closed

4.7 to 5.3 V

4D-13 - Body ground

W - Body ground

Front door LH unlock detection switch input

Front door LH locked

Pulse generation

Front door LH unlocked

Below 1 V

4D-12 - Body ground

W - Body ground

Front door RH unlock detection switch input

Front door RH locked

Pulse generation

Front door RH unlocked

Below 1 V

4D-14 - Body ground*1

GR - Body ground

Rear door LH unlock detection switch input

Rear door LH locked

Pulse generation

Rear door LH unlocked

Below 1 V

4D-14 - Body ground*2

GR - Body ground

Rear door LH and rear door RH unlock detection switch input

Rear door LH or rear door RH locked

Pulse generation

Rear door LH and rear door RH unlocked

Below 1 V

G43-20 (LSWR) - Body ground*1

L - Body ground

Rear door RH unlock detection switch input

Rear door RH locked

Pulse generation

Rear door RH unlocked

Below 1 V

G44-20 (BCYL) - Body ground

GR - Body ground

No. 1 luggage compartment light assembly output

No. 1 luggage compartment light assembly off

11 to 14 V

No. 1 luggage compartment light assembly on

Below 1 V

4A-36 - Body ground*3

LA-B - Body ground

No. 1 interior illumination light assembly (footwell light) output

No. 1 interior illumination light assembly (footwell light) off

11 to 14 V

No. 1 interior illumination light assembly (footwell light) on

Below 1 V

4A-37 - Body ground*3

B - Body ground

No. 2 interior illumination light assembly (footwell light) output

No. 2 interior illumination light assembly (footwell light) off

11 to 14 V

No. 2 interior illumination light assembly (footwell light) on

Below 1 V

4D-10 - Body ground

B - Body ground

Map light assembly, visor light assembly power supply

DOME CUT relay off

11 to 14 V

DOME CUT relay on

Below 1 V

4H-19 - Body ground

LG - Body ground

No. 1 luggage compartment light assembly input

DOME CUT relay off

11 to 14 V

DOME CUT relay on

Below 1 V

4A-53 - Body ground

L - Body ground

Taillight signal

Ignition switch ON, light control switch TAIL

11 to 14 V

Ignition switch ON, light control switch off

Below 1 V

4H-22 - Body ground

LA-W - Body ground

Taillight signal

Ignition switch ON, light control switch TAIL

11 to 14 V

Ignition switch ON, light control switch off

Below 1 V

4D-29 - Body ground

LA-L - Body ground

Interior lights drive output

Interior lights off (when operated by illuminated entry system)

11 to 14 V

Interior lights on (when operated by illuminated entry system)

Below 1 V

CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (w/ Smart Key System for HV Model)

(a) Disconnect the G54 certification ECU (smart key ECU assembly) connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G54-4 (+B) - Body ground

P - Body ground

Auxiliary battery power supply

Ignition switch off

11 to 14 V

G54-15 (CUTB) - Body ground

V - Body ground

Auxiliary battery power supply

Ignition switch off

11 to 14 V

G54-18 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

(c) Reconnect the G54 certification ECU (smart key ECU assembly) connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G54-10 (SWIL) - G54-11 (AGND)

W - BE

Push start switch illumination drive output

Push start switch illumination on

11 to 14 V

Push start switch illumination off

Below 1 V

CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (w/ Smart Key System for Gasoline Model)

(a) Disconnect the G54 certification ECU (smart key ECU assembly) connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G54-4 (+B) - Body ground

P - Body ground

Auxiliary battery power supply

Ignition switch off

11 to 14 V

G54-15 (CUTB)- Body ground

V - Body ground

Auxiliary battery power supply

Ignition switch off

11 to 14 V

G54-18 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

(c) Reconnect the G54 certification ECU (smart key ECU assembly) connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G54-10 (SWIL) - G54-11 (AGND)

W - BE

Push start switch illumination drive output

Push start switch illumination on

11 to 14 V

Push start switch illumination off

Below 1 V