Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001HHAI
Model Year Start: 2019 Model: RAV4 Prod Date Range: [02/2019 -           ]
Title: DOOR LOCK: KEY REMINDER WARNING SYSTEM: TERMINALS OF ECU; 2019 - 2024 MY RAV4 RAV4 HV [02/2019 -        ]

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)

-

-

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

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

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

Tester Connection

Wiring Color

Input/Output

Terminal Description

Condition

Specified Condition

Related Data List Item

A-11 (GND1) - Body ground

-

-

Ground

Always

Below 1 Ω

-

A-30 (ACC) - Body ground

-

Input

ACC power supply

Ignition switch ACC

11 to 14 V

ACC SW

Ignition switch off

Below 1 V

A-31 (BECU) - Body ground

-

Input

Auxiliary battery power supply

Ignition switch off

11 to 14 V

-

A-32 (IG) - Body ground

-

Input

IG power supply

Ignition switch ON

11 to 14 V

IG SW

Ignition switch off

Below 1 V

(d) Install the main body ECU (multiplex network body ECU) to the instrument panel junction block assembly.

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

Terminal No. (Symbol)

Wiring Color

Input/Output

Terminal Description

Condition

Specified Condition

Related Data List Item

G43-1 (FLCY) - Body ground

R - Body ground

Input

Front door courtesy light switch LH input

Front door LH open → closed

Below 1 V → 4.7 to 5.3 V

FL Door Courtesy SW

4A-41 (KSW) - Body ground

GR - Body ground

Input

Un-lock warning switch input

No key in ignition key cylinder → Key in ignition key cylinder

11 to 14 V → Below 1 V

Key Unlock Warning SW