CAN COMMUNICATION SYSTEM > TERMINALS OF ECU |
| JUNCTION CONNECTOR |
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CAN No. 1 Junction Connector
| *1 | Front view of wire harness connector (to CAN No. 1 Junction Connector) |
| CAN No. 1 Junction Connectors | Terminal No. (Symbol) | Color |
| CAN Main wire (between CAN No. 1 junction connector and CAN No. 2 junction connector (CAN-L)) | A49-1 (CANL) | W |
| CAN Main wire (between CAN No. 1 junction connector and CAN No. 2 junction connector (CAN-H)) | A49-2 (CANH) | Y |
| Skid Control ECU (CAN-L) | A49-3 (CANL) | W |
| Skid Control ECU (CAN-H) | A49-7 (CANH) | B |
| ECM (CAN-L) | A49-4 (CANL) | W |
| ECM (CAN-H) | A49-6 (CANH) | L |
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CAN No. 2 Junction Connector
| *1 | Front view of wire harness connector (to CAN No. 2 Junction Connector) |
| CAN No. 2 Junction Connectors | Terminal No. (Symbol) | Color |
| CAN Main wire (between CAN No. 1 junction connector and CAN No. 2 junction connector (CAN-H)) | D71-1 (CANH) | Y |
| CAN Main wire (between CAN No. 1 junction connector and CAN No. 2 junction connector (CAN-L)) | D71-12 (CANL) | W |
| Main Body ECU (CAN-H) | D71-2 (CANH) | R |
| Main Body ECU (CAN-L) | D71-13 (CANL) | W |
| Steering Sensor (CAN-H) | D71-3 (CANH) | GR |
| Steering Sensor (CAN-L) | D71-14 (CANL) | W |
| DLC3 (CAN-H) | D71-4 (CANH) | V |
| DLC3 (CAN-L) | D71-15 (CANL) | W |
| Combination Meter ECU (CAN-H)*2 | D71-5 (CANH) | G |
| Combination Meter ECU (CAN-L)*2 | D71-16 (CANL) | W |
| Air Conditioner Amplifier Assembly (TX+) | D71-6 (TX+) | LG |
| Air Conditioner Amplifier Assembly (TX-) | D71-17 (TX-) | W |
| Center Airbag Sensor Assembly (CAN-H) | D71-7 (CANH) | B |
| Center Airbag Sensor Assembly (CAN-L) | D71-18 (CANL) | W |
| Yaw Rate Sensor (CAN-H) | D71-8 (CANH) | BR |
| Yaw Rate Sensor (CAN-L) | D71-19 (CANL) | W |
| Power Steering ECU (CAN-H) | D71-9 (CANH) | SB |
| Power Steering ECU (CAN-L) | D71-20 (CANL) | W |
| Certification ECU (CAN-H)*1 | D71-11 (CANH) | P |
| Certification ECU (CAN-L)*1 | D71-22 (CANL) | W |
| Power Management Control ECU (CAN-H)*3 Power Source Control ECU (CAN-H)*4 | D71-10 (CANH) | L |
| Power Management Control ECU (CAN-L)*3 Power Source Control ECU (CAN-L)*4 | D71-21 (CANL) | W |
| Engine Stop and Start ECU (CAN-H)*2 | D71-11 (CANH) | BE |
| Engine Stop and Start ECU (CAN-L)*2 | D71-22 (CANL) | W |
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CAN No. 3 Junction Connector
| *1 | Front view of wire harness connector (to CAN No. 3 Junction Connector) |
| CAN No. 3 Junction Connectors | Terminal No. (Symbol) | Color |
| CAN Main wire (between CAN No. 2 Junction connector and CAN No. 3 Junction Connector (CAN-H)) | D83-6 (CANH) | G |
| CAN Main wire (between CAN No. 2 Junction connector and CAN No. 3 Junction Connector (CAN-L)) | D83-17 (CANL) | W |
| Combination Meter ECU (CAN-H) | D83-7 (CANH) | LG |
| Combination Meter ECU (CAN-L) | D83-18 (CANL) | W |
| Engine Stop and Start ECU (CAN-H) | D83-5 (CANH) | BE |
| Engine Stop and Start ECU (CAN-L) | D83-16 (CANL) | W |
Wiring diagram for identifying CAN Junction Connectors




| DLC3 |
Turn the ignition switch off.
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Measure the resistance according to the value(s) in the table below.
| *1 | Front view of DLC3 |
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| D47-6 (CANH) - D47-14 (CANL) | V - W | Ignition switch off | 54 to 69 Ω |
| D47-6 (CANH) - D47-4 (CG) | V - W-B | Ignition switch off | 200 Ω or higher |
| D47-14 (CANL) - D47-4 (CG) | W - W-B | Ignition switch off | 200 Ω or higher |
| D47-6 (CANH) - D47-16 (BAT) | V - G | Ignition switch off | 6 kΩ or higher |
| D47-14 (CANL) - D47-16 (BAT) | W - G | Ignition switch off | 6 kΩ or higher |
| BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU) |
Turn the ignition switch off.
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Disconnect the A16 or A17 brake actuator assembly (skid control ECU) connector.
| *1 | Front view of wire harness connector (to Brake Actuator Assembly (Skid Control ECU) |
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| A16-25 (CANH) - A16-14 (CANL) | B - W | Ignition switch off | 54 to 69 Ω |
| A16-25 (CANH) - A16-1 (GND1) | B - W-B | Ignition switch off | 200 Ω or higher |
| A16-14 (CANL) - A16-1 (GND1) | W - W-B | Ignition switch off | 200 Ω or higher |
| A16-25 (CANH) - A16-12 (+BS) | B - G | Ignition switch off | 6 kΩ or higher |
| A16-14 (CANL) - A16-12 (+BS) | W - G | Ignition switch off | 6 kΩ or higher |
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| A17-25 (CANH) - A17-14 (CANL) | B - W | Ignition switch off | 54 to 69 Ω |
| A17-25 (CANH) - A17-1 (GND1) | B - W-B | Ignition switch off | 200 Ω or higher |
| A17-14 (CANL) - A17-1 (GND1) | W - W-B | Ignition switch off | 200 Ω or higher |
| A17-25 (CANH) - A17-12 (+BS) | B - G | Ignition switch off | 6 kΩ or higher |
| A17-14 (CANL) - A17-12 (+BS) | W - G | Ignition switch off | 6 kΩ or higher |
| ECM |
for 1KR-FE and 1NR-FE
Turn the ignition switch off.
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Disconnect the A18 and B8 ECM connectors.
| *1 | Front view of wire harness connector (to ECM) |
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| A18-4 (CAN+) - A18-5 (CAN-) | B - W | Ignition switch off | 108 to 132 Ω |
| A18-4 (CAN+) - B8-105 (E1) | B - BR | Ignition switch off | 200 Ω or higher |
| A18-5 (CAN-) - B8-105 (E1) | W - BR | Ignition switch off | 200 Ω or higher |
| A18-4 (CAN+) - A18-20 (BATT) | B - B | Ignition switch off | 6 kΩ or higher |
| A18-5 (CAN-) - A18-20 (BATT) | W - B | Ignition switch off | 6 kΩ or higher |
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| A18-8 (CANH) - A18-9 (CANL) | L - W | Ignition switch off | 108 to 132 Ω |
| A18-8 (CANH) - B8-105 (E1) | L - BR | Ignition switch off | 200 Ω or higher |
| A18-9 (CANL) - B8-105 (E1) | W - BR | Ignition switch off | 200 Ω or higher |
| A18-8 (CANH) - A18-20 (BATT) | L - B | Ignition switch off | 6 kΩ or higher |
| A18-9 (CANL) - A18-20 (BATT) | W - B | Ignition switch off | 6 kΩ or higher |
for 1ND-TV
Turn the ignition switch off.
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Disconnect the A19 ECM connector.
| *1 | Front view of wire harness connector (to ECM) |
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| A19-17 (CAN+) - A19-16 (CAN-) | B - W | Ignition switch off | 108 to 132 Ω |
| A19-17 (CAN+) - A19-2 (E1) | B - W-B | Ignition switch off | 200 Ω or higher |
| A19-16 (CAN-) - A19-2 (E1) | W - W-B | Ignition switch off | 200 Ω or higher |
| A19-17 (CAN+) - A19-23 (BATT) | B - L-B | Ignition switch off | 6 kΩ or higher |
| A19-16 (CAN-) - A19-23 (BATT) | W - L-B | Ignition switch off | 6 kΩ or higher |
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| A19-3 (CANH) - A19-4 (CANL) | L - W | Ignition switch off | 108 to 132 Ω |
| A19-3 (CANH) - A19-2 (E1) | L - W-B | Ignition switch off | 200 Ω or higher |
| A19-4 (CANL) - A19-2 (E1) | W - W-B | Ignition switch off | 200 Ω or higher |
| A19-3 (CANH) - A19-23 (BATT) | L - L-B | Ignition switch off | 6 kΩ or higher |
| A19-4 (CANL) - A19-23 (BATT) | W - L-B | Ignition switch off | 6 kΩ or higher |
| MAIN BODY ECU |
Turn the ignition switch off.
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Disconnect the D42 main body ECU connector.
| *1 | Front view of wire harness connector (to Main Body ECU) |
| *2 | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| D42-14 (CANH) - D42-13 (CANL) | R - W | Ignition switch off | 54 to 69 Ω |
| D42-14 (CANH) - D47-4 (CG) | R - W-B | Ignition switch off | 200 Ω or higher |
| D42-13 (CANL) - D47-4 (CG) | W - W-B | Ignition switch off | 200 Ω or higher |
| D42-14 (CANH) - D47-16 (BAT) | R - G | Ignition switch off | 6 kΩ or higher |
| D42-13 (CANL) - D47-16 (BAT) | W - G | Ignition switch off | 6 kΩ or higher |
| SPIRAL CABLE SUB-ASSEMBLY (STEERING SENSOR) |
Turn the ignition switch off.
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Disconnect the D20 spiral cable sub-assembly (steering sensor) connector.
| *1 | Front view of wire harness connector (to Spiral Cable Sub-Assembly (Steering Sensor)) |
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| D20-4 (CANH) - D20-3 (CANL) | GR - W | Ignition switch off | 54 to 69 Ω |
| D20-4 (CANH) - D20-2 (ESS) | GR - W-B | Ignition switch off | 200 Ω or higher |
| D20-3 (CANL) - D20-2 (ESS) | W - W-B | Ignition switch off | 200 Ω or higher |
| D20-4 (CANH) - D20-6 (BAT) | GR - G | Ignition switch off | 6 kΩ or higher |
| D20-3 (CANL) - D20-6 (BAT) | W - G | Ignition switch off | 6 kΩ or higher |
| COMBINATION METER ASSEMBLY (COMBINATION METER ECU) |
Turn the ignition switch off.
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Disconnect the D1 combination meter assembly (combination meter ECU) connector.
| *1 | Front view of wire harness connector (to Combination Meter Assembly (Combination Meter ECU)) |
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| D1-21 (CANH) - D1-20 (CANL) | G - W*1 LG - W*2 | Ignition switch off | 108 to 132 Ω |
| D1-21 (CANH) - D1-24 (ET) | G - BR*1 LG - BR*2 | Ignition switch off | 200 Ω or higher |
| D1-20 (CANL) - D1-24 (ET) | W - BR | Ignition switch off | 200 Ω or higher |
| D1-21 (CANH) - D1-2 (B) | G - P*1 LG - P*2 | Ignition switch off | 6 kΩ or higher |
| D1-20 (CANL) - D1-2 (B) | W - P | Ignition switch off | 6 kΩ or higher |
| AIR CONDITIONING AMPLIFIER ASSEMBLY |
for Automatic Air Conditioning System
Turn the ignition switch off.
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Disconnect the D15 air conditioning amplifier assembly connector.
| *1 | Front view of wire harness connector (to Air Conditioning Amplifier Assembly) |
| *2 | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| D15-11 (TX+) - D15-12 (TX-) | LG - W | Ignition switch off | 54 to 69 Ω |
| D15-11 (TX+) - D47-4 (CG) | LG - W-B | Ignition switch off | 200 Ω or higher |
| D15-12 (TX-) - D47-4 (CG) | W - W-B | Ignition switch off | 200 Ω or higher |
| D15-11 (TX+) - D47-16 (BAT) | LG - G | Ignition switch off | 6 kΩ or higher |
| D15-12 (TX-) - D47-16 (BAT) | W - G | Ignition switch off | 6 kΩ or higher |
for Manual Air Conditioning System
Turn the ignition switch off.
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Disconnect the D16 air conditioning amplifier assembly connector.
| *1 | Front view of wire harness connector (to Air Conditioning Amplifier Assembly) |
| *2 | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| D16-8 (TX+) - D16-9 (TX-) | LG - W | Ignition switch off | 54 to 69 Ω |
| D16-8 (TX+) - D47-4 (CG) | LG - W-B | Ignition switch off | 200 Ω or higher |
| D16-9 (TX-) - D47-4 (CG) | W - W-B | Ignition switch off | 200 Ω or higher |
| D16-8 (TX+) - D47-16 (BAT) | LG - G | Ignition switch off | 6 kΩ or higher |
| D16-9 (TX-) - D47-16 (BAT) | W - G | Ignition switch off | 6 kΩ or higher |
| CENTER AIRBAG SENSOR ASSEMBLY |
Turn the ignition switch off.
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Disconnect the D43 center airbag sensor assembly connector.
| *1 | Front view of wire harness connector (to Center Airbag Sensor Assembly) |
| *2 | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| D43-13 (CANH) - D43-22 (CANL) | B - W | Ignition switch off | 54 to 69 Ω |
| D43-13 (CANH) - D47-4 (CG) | B - W-B | Ignition switch off | 200 Ω or higher |
| D43-22 (CANL) - D47-4 (CG) | W - W-B | Ignition switch off | 200 Ω or higher |
| D43-13 (CANH) - D47-16 (BAT) | B - G | Ignition switch off | 6 kΩ or higher |
| D43-22 (CANL) - D47-16 (BAT) | W - G | Ignition switch off | 6 kΩ or higher |
| YAW RATE SENSOR |
Turn the ignition switch off.
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Disconnect the D58 yaw rate sensor connector.
| *1 | Front view of wire harness connector (to Yaw Rate Sensor) |
| *2 | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| D58-3 (CANH) - D58-2 (CANL) | BR - W | Ignition switch off | 54 to 69 Ω |
| D58-3 (CANH) - D47-4 (CG) | BR - W-B | Ignition switch off | 200 Ω or higher |
| D58-2 (CANL) - D47-4 (CG) | W - W-B | Ignition switch off | 200 Ω or higher |
| D58-3 (CANH) - D47-16 (BAT) | BR - G | Ignition switch off | 6 kΩ or higher |
| D58-2 (CANL) - D47-16 (BAT) | W - G | Ignition switch off | 6 kΩ or higher |
| STEERING COLUMN ASSEMBLY (POWER STEERING ECU) |
Turn the ignition switch off.
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Disconnect the A15 and D51 steering column assembly (power steering ECU) connectors.
| *1 | Front view of wire harness connector (to Steering Column Assembly (Power Steering ECU)) |
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| D51-2 (CANH) - D51-1 (CANL) | SB - W | Ignition switch off | 54 to 69 Ω |
| D51-2 (CANH) - A15-2 (PGND) | SB - W-B | Ignition switch off | 200 Ω or higher |
| D51-1 (CANL) - A15-2 (PGND) | W - W-B | Ignition switch off | 200 Ω or higher |
| D51-2 (CANH) - A15-1 (PIG) | SB - B | Ignition switch off | 6 kΩ or higher |
| D51-1 (CANL) - A15-1 (PIG) | W - B | Ignition switch off | 6 kΩ or higher |
| POWER MANAGEMENT CONTROL ECU (for 1KR-FE and 1NR-FE) |
w/o Entry and Start System
Turn the ignition switch off.
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Disconnect the D39 power management control ECU connector.
| *1 | Front view of wire harness connector (to Power Management Control ECU) |
| *2 | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| D39-4 (CA3P) - D39-3 (CA3N) | B - W | Ignition switch off | 54 to 69 Ω |
| D39-4 (CA3P) - D47-4 (CG) | B - W-B | Ignition switch off | 200 Ω or higher |
| D39-3 (CA3N) - D47-4 (CG) | W - W-B | Ignition switch off | 200 Ω or higher |
| D39-4 (CA3P) - D47-16 (BAT) | B - G | Ignition switch off | 6 kΩ or higher |
| D39-3 (CA3N) - D47-16 (BAT) | W - G | Ignition switch off | 6 kΩ or higher |
w/ Entry and Start System
Turn the ignition switch off.
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Disconnect the D38 power management control ECU connector.
| *1 | Front view of wire harness connector (to Power Management Control ECU) |
| *2 | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| D38-14 (CA1H) - D38-13 (CA1L) | L - W | Ignition switch off | 54 to 69 Ω |
| D38-14 (CA1H) - D47-4 (CG) | L - W-B | Ignition switch off | 200 Ω or higher |
| D38-13 (CA1L) - D47-4 (CG) | W - W-B | Ignition switch off | 200 Ω or higher |
| D38-14 (CA1H) - D47-16 (BAT) | L - G | Ignition switch off | 6 kΩ or higher |
| D38-13 (CA1L) - D47-16 (BAT) | W - G | Ignition switch off | 6 kΩ or higher |
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| D38-12 (CA3P) - D38-11 (CA3N) | B - W | Ignition switch off | 54 to 69 Ω |
| D38-12 (CA3P) - D47-4 (CG) | B - W-B | Ignition switch off | 200 Ω or higher |
| D38-11 (CA3N) - D47-4 (CG) | W - W-B | Ignition switch off | 200 Ω or higher |
| D38-12 (CA3P) - D47-16 (BAT) | B - G | Ignition switch off | 6 kΩ or higher |
| D38-11 (CA3N) - D47-16 (BAT) | W - G | Ignition switch off | 6 kΩ or higher |
| POWER SOURCE CONTROL ECU (for 1ND-TV) |
Turn the ignition switch off.
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Disconnect the D73 power source control ECU connector.
| *1 | Front view of wire harness connector (to Power Source Control ECU) |
| *2 | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| D73-14 (CA1H) - D73-13 (CA1L) | L - W | Ignition switch off | 54 to 69 Ω |
| D73-14 (CA1H) - D47-4 (CG) | L - W-B | Ignition switch off | 200 Ω or higher |
| D73-13 (CA1L) - D47-4 (CG) | W - W-B | Ignition switch off | 200 Ω or higher |
| D73-14 (CA1H) - D47-16 (BAT) | L - G | Ignition switch off | 6 kΩ or higher |
| D73-13 (CA1L) - D47-16 (BAT) | W - G | Ignition switch off | 6 kΩ or higher |
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| D73-12 (CA3P) - D73-11 (CA3N) | B - W | Ignition switch off | 54 to 69 Ω |
| D73-12 (CA3P) - D47-4 (CG) | B - W-B | Ignition switch off | 200 Ω or higher |
| D73-11 (CA3N) - D47-4 (CG) | W - W-B | Ignition switch off | 200 Ω or higher |
| D73-12 (CA3P) - D47-16 (BAT) | B - G | Ignition switch off | 6 kΩ or higher |
| D73-11 (CA3N) - D47-16 (BAT) | W - G | Ignition switch off | 6 kΩ or higher |
| CERTIFICATION ECU (w/ Entry and Start System) |
Turn the ignition switch off.
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Disconnect the D34 certification ECU connector.
| *1 | Front view of wire harness connector (to Certification ECU) |
| *2 | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| D34-9 (CANH) - D34-10 (CANL) | P - W | Ignition switch off | 54 to 69 Ω |
| D34-9 (CANH) - D47-4 (CG) | P - W-B | Ignition switch off | 200 Ω or higher |
| D34-10 (CANL) - D47-4 (CG) | W - W-B | Ignition switch off | 200 Ω or higher |
| D34-9 (CANH) - D47-16 (BAT) | P - G | Ignition switch off | 6 kΩ or higher |
| D34-10 (CANL) - D47-16 (BAT) | W - G | Ignition switch off | 6 kΩ or higher |
| ENGINE STOP AND START ECU (w/ Stop and Start System) |
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Turn the ignition switch off.
Disconnect the D79 and D78 engine stop and start ECU connectors.
| *1 | Front view of wire harness connector (to Stop and Start ECU) |
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Switch Condition | Specified Condition |
| D78-16 (CANH) - D78-17 (CANL) | BE - W | Ignition switch off | 54 to 69 Ω |
| D78-16 (CANH) - D78-6 (E1) | BE - W-B | Ignition switch off | 200 Ω or higher |
| D78-17 (CANL) - D78-6 (E1) | W - W-B | Ignition switch off | 200 Ω or higher |
| D78-16 (CANH) - D79-5 (BATT) | BE - GR | Ignition switch off | 6 kΩ or higher |
| D78-17 (CANL) - D79-5 (BATT) | W - GR | Ignition switch off | 6 kΩ or higher |