| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM100000001FNI3 |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [11/2018 - 12/2021] |
| Title: NETWORKING: LIN COMMUNICATION SYSTEM: TERMINALS OF ECU; 2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021] | ||
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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![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.
|
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).
Click here
(e) Check for pulses according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
4H-25 - Body ground |
W - Body ground |
LIN communication line |
Ignition switch ON |
Pulse generation |
CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY
(a) Disconnect the J2 multiplex network master switch assembly connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
J2-11 (B) - Body ground |
B - Body ground |
Battery power supply |
Ignition switch off |
11 to 14 V |
|
J2-12 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
(c) Measure the pulse according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
J2-17 (LIN1) - Body ground |
GR - Body ground |
LIN communication line |
Ignition switch ON |
Pulse generation |
CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH
(a) Disconnect the J6 front power window regulator motor assembly LH connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
J6-2 (B) - Body ground |
B - Body ground |
Battery power supply |
Ignition switch off |
11 to 14 V |
|
J6-1 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
(c) Measure the pulse according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
J6-9 (LIN) - Body ground |
BE - Body ground |
LIN communication line |
Ignition switch ON |
Pulse generation |
CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH
(a) Disconnect the I7 front power window regulator motor assembly RH connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
I7-2 (B) - Body ground |
B - Body ground |
Battery power supply |
Ignition switch off |
11 to 14 V |
|
I7-1 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
(c) Measure the pulse according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
I7-9 (LIN) - Body ground |
BE - Body ground |
LIN communication line |
Ignition switch ON |
Pulse generation |
CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH
(a) Disconnect the L5 rear power window regulator motor assembly LH connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
L5-2 (B) - Body ground |
B - Body ground |
Battery power supply |
Ignition switch off |
11 to 14 V |
|
L5-1 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
(c) Measure the pulse according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
L5-9 (LIN) - Body ground |
BE - Body ground |
LIN communication line |
Ignition switch ON |
Pulse generation |
CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH
(a) Disconnect the K5 rear power window regulator motor assembly RH connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
K5-2 (B) - Body ground |
B - Body ground |
Battery power supply |
Ignition switch off |
11 to 14 V |
|
K5-1 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
(c) Measure the pulse according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
K5-9 (LIN) - Body ground |
BE - Body ground |
LIN communication line |
Ignition switch ON |
Pulse generation |
CHECK SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (w/ Sliding Roof System)
(a) Disconnect the P4 sliding roof drive gear sub-assembly connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
P4-1 (B) - Body ground |
B - Body ground |
Battery power supply |
Ignition switch off |
11 to 14 V |
|
P4-2 (E) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
(c) Measure the pulse according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
P4-7 (MPX1) - Body ground |
P - Body ground |
LIN communication line |
Ignition switch ON |
Pulse generation |
CHECK SLIDING ROOF DRIVE GEAR ASSEMBLY (w/ Panoramic Moon Roof System)
(a) Disconnect the P4 sliding roof drive gear assembly connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
P4-1 (B) - Body ground |
W - Body ground |
Battery power supply |
Ignition switch off |
11 to 14 V |
|
P4-2 (E) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
(c) Measure the pulse according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
P4-7 (MPX1) - Body ground |
P - Body ground |
LIN communication line |
Ignition switch ON |
Pulse generation |
|
*A |
for Gasoline Model |
*B |
for HV Model |
CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (w/ Smart Key System)
(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.
HINT:
Measure the values on the wire harness side with the connector disconnected.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
G54-4 (+B) - Body ground |
P - Body ground |
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) Check for pulses according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
G54-13 (LIN) - Body ground |
LG - Body ground |
LIN communication line |
Ignition switch ON |
Pulse generation |
CHECK STEERING LOCK ECU (STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY) (w/ Smart Key System)
(a) Disconnect the G56 steering lock ECU (steering lock actuator or upper bracket 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 |
|---|---|---|---|---|
|
G56-7 (B) - Body ground |
W - Body ground |
Battery power supply |
Ignition switch off |
11 to 14 V |
|
G56-1 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
(c) Reconnect the G56 steering lock ECU (steering lock actuator or upper bracket assembly) connector.
(d) Check for pulses according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
G56-5 (LIN) - Body ground |
B - Body ground |
LIN communication line |
Ignition switch ON |
Pulse generation |
CHECK ID CODE BOX (IMMOBILISER CODE ECU) (w/ Smart Key System)
(a) Disconnect the G57 ID code box (immobiliser code ECU) connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
HINT:
Measure the values on the wire harness side with the connector disconnected.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
*1: for Gasoline Model
*2: for HV Model |
||||
|
G57-5 (GND) - Body ground |
LA - Body ground |
Ground |
Always |
Below 1 Ω |
|
G57-1 (+B) - Body ground |
LA-B - Body ground*1 LA-GR - Body ground*2 |
+B power supply |
Ignition switch off |
11 to 14 V |
(c) Reconnect the G57 ID code box (immobiliser code ECU) connector.
(d) Check for pulses according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
G57-2 (LIN1) - Body ground |
GR - Body ground |
LIN communication line |
Ignition switch ON |
Pulse generation |
|
|