| Last Modified: 05-08-2025 | 6.11:8.1.0 | Doc ID: RM100000001FOYW |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [11/2018 - ] |
| Title: THEFT DETERRENT / KEYLESS ENTRY: THEFT DETERRENT SYSTEM: TERMINALS OF ECU; 2019 - 2025 MY RAV4 RAV4 HV [11/2018 - ] | ||
TERMINALS OF ECU
|
*1 |
Main Body ECU (Multiplex Network Body ECU) |
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CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
(a) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.
Click here
![2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL](/t3Portal/stylegraphics/info.gif)
(b) Connect 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 |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
A-11 (GND1) - Body ground |
None - Body ground |
Ground |
Always |
Below 1 Ω |
|
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-31 (BECU) - Body ground |
None - Body ground |
Auxiliary battery power supply |
Ignition switch off |
11 to 14 V |
|
A-32 (IG) - Body ground |
None - Body ground |
IG power supply |
Ignition switch ON |
11 to 14 V |
|
Ignition switch off |
Below 1 V |
|||
|
G44-1 (FLCY) - Body ground |
R - Body ground |
Front door courtesy light switch assembly LH input signal |
Front door LH closed (OFF) → open (ON) |
10 kΩ or higher → Below 1 Ω |
|
G44-6 (FRCY) - Body ground |
BE - Body ground |
Front door courtesy light switch assembly RH input signal |
Front door RH closed (OFF) → open (ON) |
10 kΩ or higher → Below 1 Ω |
|
A-13 (LCTY) - Body ground |
None - Body ground |
Rear door courtesy light switch assembly LH input signal |
Rear door LH closed (OFF) → open (ON) |
10 kΩ or higher → Below 1 Ω |
|
A-2 (RCTY) - Body ground |
None - Body ground |
Rear door courtesy light switch assembly RH input signal |
Rear door RH closed (OFF) → open (ON) |
10 kΩ or higher → Below 1 Ω |
|
A-4 (BCTY) - Body ground |
None - Body ground |
Back door courtesy light switch signal |
Back door closed (OFF) → open (ON) |
10 kΩ or higher → Below 1 Ω |
|
G44-30 (HCTY) - Body ground |
GR - Body ground |
Engine hood courtesy switch input signal |
Engine hood open (OFF) → closed (ON) |
10 kΩ or higher → Below 1 Ω |
|
A-3 (KSW) - Body ground* |
None - Body ground |
Unlock warning switch input |
Key not in key cylinder (OFF) → Key in key cylinder (ON) |
10 kΩ or higher → Below 1 Ω |
- *: w/o Smart Key System
(d) Install the main body ECU (multiplex network body ECU) to the instrument panel junction block assembly.
Click here
(e) Measure the voltage and check for pulses according to the value(s) in the table below.
|
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
4D-13 (LSFL) - Body ground |
W - Body ground |
Front door LH unlock detection switch input signal |
Front door LH unlocked |
Below 1 V |
|
Ignition switch off, all doors closed and front door LH locked |
Pulse generation |
|||
|
4D-12 (LSFR) - Body ground |
W - Body ground |
Front door RH unlock detection switch input signal |
Front door RH unlocked |
Below 1 V |
|
Ignition switch off, all doors closed and front door RH locked |
Pulse generation |
|||
|
4D-14 (LSWL) - Body ground |
GR - Body ground |
Rear door LH unlock detection switch input signal*1 |
Rear door LH unlocked |
Below 1 V |
|
Ignition switch off, all doors closed and rear door LH locked |
Pulse generation |
|||
|
Rear door LH and RH unlock detection switch input signal*2 |
Rear door LH or RH unlocked |
Below 1 V |
||
|
Ignition switch off, all doors closed and rear door LH and RH locked |
Pulse generation |
|||
|
G43-20 (LSWR) - Body ground*1 |
L - Body ground |
Rear door RH unlock detection switch input signal |
Rear door RH unlocked |
Below 1 V |
|
Ignition switch off, all doors closed and rear door RH locked |
Pulse generation |
|||
|
G44-7 (IND) - Body ground*3 |
B - Body ground |
Security indicator light illumination |
Security indicator light off |
Below 2 V |
|
Security indicator light blinking |
Pulse generation |
|||
|
4A-20 (SH) - Body ground |
L - Body ground |
Security horn drive |
Security horn sounding (Theft deterrent system is in alarm sounding state) |
Pulse generation (Below 1 V ←→ 11 to 14 V) |
|
4F-27 (HORN) - Body ground |
W - Body ground |
Vehicle horn drive |
Vehicle horns sounding (Theft deterrent system is in alarm sounding state) |
Pulse generation (Below 1 V ←→ 11 to 14 V) |
- *1: w/ Memory
- *2: w/o Memory
- *3: w/o Smart Key System
CHECK COMBINATION METER ASSEMBLY
Click here
CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (w/ Smart Key System)
for HV Model:
Click here
for Gasoline Model:
Click here
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