| Last Modified: 11-20-2023 | 6.11:8.1.0 | Doc ID: RM1000000024NI6 |
| Model Year Start: 2023 | Model: Camry HV | Prod Date Range: [08/2022 - ] |
| Title: NETWORKING: LIN COMMUNICATION SYSTEM: TERMINALS OF ECU; 2023 - 2024 MY Camry HV [08/2022 - ] | ||
TERMINALS OF ECU
CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
(a) Disconnect the MB main body ECU (multiplex network body ECU) connector.
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(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 connectors disconnected.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
MB-11 (GND1) - Body ground |
- |
Ground |
Always |
Below 1 Ω |
|
MB-31 (BECU) - Body ground |
- |
Auxiliary battery power supply |
Power switch off |
11 to 14 V |
|
MB-30 (ACC) - Body ground |
- |
ACC power supply |
Power switch on (ACC) |
11 to 14 V |
|
Power switch off |
Below 1 V |
|||
|
MB-32 (IG) - Body ground |
- |
IG power supply |
Power switch on (IG) |
11 to 14 V |
|
Power switch off |
Below 1 V |
(c) Reconnect the MB main body ECU (multiplex network body 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 |
|---|---|---|---|---|
|
3D-25 - Body ground |
LA-BE - Body ground |
LIN communication line |
Power switch on (IG) |
Pulse generation |
|
3B-17 - Body ground* |
L - Body ground |
LIN communication line |
Power switch on (IG) |
Pulse generation |
- *: w/ Sliding Roof System
CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (DRIVER DOOR)
(a) Disconnect the O6 power window regulator motor assembly (driver door) 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 |
|---|---|---|---|---|
|
O6-2 (B) - Body ground |
GR - Body ground |
Auxiliary battery power supply |
Power switch off |
11 to 14 V |
|
O6-1 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
(c) Reconnect the O6 power window regulator motor assembly (driver door) connector.
(d) Check for pulses according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
O6-9 (LIN) - Body ground |
G - Body ground |
LIN communication line |
Power switch on (IG) |
Pulse generation |
CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FRONT PASSENGER DOOR)
(a) Disconnect the N7 power window regulator motor assembly (front passenger door) 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 |
|---|---|---|---|---|
|
N7-2 (B) - Body ground |
GR - Body ground |
Auxiliary battery power supply |
Power switch off |
11 to 14 V |
|
N7-1 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
(c) Reconnect the N7 power window regulator motor assembly (front passenger door) connector.
(d) Check for pulses according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
N7-9 (LIN) - Body ground |
P - Body ground |
LIN communication line |
Power switch on (IG) |
Pulse generation |
CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (REAR RH DOOR)
(a) Disconnect the P6 power window regulator motor assembly (rear RH door) 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 |
|---|---|---|---|---|
|
P6-2 (B) - Body ground |
B - Body ground |
Auxiliary battery power supply |
Power switch off |
11 to 14 V |
|
P6-1 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
(c) Reconnect the P6 power window regulator motor assembly (rear RH door) connector.
(d) Check for pulses according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
P6-9 (LIN) - Body ground |
P - Body ground |
LIN communication line |
Power switch on (IG) |
Pulse generation |
CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (REAR LH DOOR)
(a) Disconnect the Q6 power window regulator motor assembly (rear LH door) 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 |
|---|---|---|---|---|
|
Q6-2 (B) - Body ground |
B - Body ground |
Auxiliary battery power supply |
Power switch off |
11 to 14 V |
|
Q6-1 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
(c) Reconnect the Q6 power window regulator motor assembly (rear LH door) connector.
(d) Check for pulses according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
Q6-9 (LIN) - Body ground |
P - Body ground |
LIN communication line |
Power switch on (IG) |
Pulse generation |
CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY
(a) Disconnect the O2 multiplex network master switch 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 |
|---|---|---|---|---|
|
O2-11 (B) - Body ground |
LA-R - Body ground |
Auxiliary battery power supply |
Power switch off |
11 to 14 V |
|
O2-12 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
(c) Reconnect the O2 multiplex network master switch 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 |
|---|---|---|---|---|
|
O2-17 (LIN1) - Body ground |
P - Body ground |
LIN communication line |
Power switch on (IG) |
Pulse generation |
|
O2-16 (LIN2) - Body ground |
G - Body ground |
LIN communication line |
Power switch on (IG) |
Pulse generation |
CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) (w/ Sliding Roof System)
(a) Disconnect the V2 sliding roof ECU (sliding roof drive gear sub-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 |
|---|---|---|---|---|
|
V2-1 (B) - Body ground |
B - Body ground |
Auxiliary battery power supply |
Power switch off |
11 to 14 V |
|
V2-2 (E) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
(c) Reconnect the V2 sliding roof ECU (sliding roof drive gear sub-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 |
|---|---|---|---|---|
|
V2-7 (MPX1) - Body ground |
LA-P - Body ground |
LIN communication line |
Power switch on (IG) |
Pulse generation |
CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Disconnect the K62 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 |
|---|---|---|---|---|
|
K62-18 (E) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
|
K62-4 (+B) - Body ground |
B - Body ground |
Auxiliary battery power supply |
Power switch off |
11 to 14 V |
(c) Reconnect the K62 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 |
|---|---|---|---|---|
|
K62-13 (LIN) - Body ground |
GR - Body ground |
LIN communication line |
Power switch on (IG) |
Pulse generation |
CHECK ID CODE BOX (IMMOBILISER CODE ECU)
(a) Disconnect the K152 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 |
|---|---|---|---|---|
|
K152-5 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
|
K152-1 (+B) - Body ground |
LA-GR - Body ground |
+B power supply |
Power switch off |
11 to 14 V |
(c) Reconnect the K152 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 |
|---|---|---|---|---|
|
K152-2 (LIN1) - Body ground |
GR - Body ground |
LIN communication line |
Power switch on (IG) |
Pulse generation |
|
|