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Multiplex Communication System








MULTIPLEX COMMUNICATION: MULTIPLEX COMMUNICATION SYSTEM: TERMINALS OF ECU

TERMINALS OF ECU

1. MULTIPLEX NETWORK GATEWAY ECU
(a) Disconnect the G4 ECU connector.





(b) Measure the voltage between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Measure the resistance between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
2. MULTIPLEX NETWORK BODY ECU
(a) Disconnect the B7 ECU, 1A, 1C, 1E, 1K and 1L junction block connectors.





(b) Measure the voltage between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Measure the resistance between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
3. AIRBAG SENSOR ASSEMBLY
(a) Disconnect the A21 ECU connector.





(b) Measure the voltage between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Measure the resistance between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
4. SEAT POSITION CONTROL ECU (with Driving Position Memory)
(a) Disconnect the P58 and P59 ECU connectors.





(b) Measure the voltage between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Measure the resistance between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
5. AIR CONDITIONING AMPLIFIER
(a) Disconnect the A9 ECU connector.





(b) Measure the voltage between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Measure the resistance between the specified terminals on the wire harness side connector.





HINT: *1: for Automatic A/C
*2: for Manual A/C
If the result is not as specified, there may be a malfunction on the wire harness side.
6. COMBINATION METER
(a) Disconnect the C10 ECU connector.





(b) Measure the voltage between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Measure the resistance between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
7. POWER SLIDE DOOR ECU RH
(a) Disconnect the P27 and P28 ECU connectors.





(b) Measure the voltage between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Measure the resistance between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
8. POWER SLIDE DOOR ECU LH
(a) Disconnect the P25 and P26 ECU connectors.





(b) Measure the voltage between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Measure the resistance between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
9. POWER BACK DOOR ECU
(a) Disconnect the P13 and P14 ECU connectors.





(b) Measure the voltage between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Measure the resistance between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
10. OUTER MIRROR CONTROL ECU RH (with Driving Position Memory)
(a) Disconnect the O11 ECU connector.





(b) Measure the voltage between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Measure the resistance between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
11. OUTER MIRROR CONTROL ECU LH (with Driving Position Memory)
(a) Disconnect the O9 ECU connector.





(b) Measure the voltage between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Measure the resistance between the specified terminals on the wire harness side connector.





If the result is not as specified, there may be a malfunction on the wire harness side.
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