Pinout Values and Diagnostic Parameters
TERMINALS OF ECU1. CHECK NETWORK GATEWAY ECU
a. Disconnect the G3 ECU connector.
b. Measure the voltage and resistance of the wire harness side vehicle's side connector.
If the result is not as specified, there may be a malfunction on the wire harness side.
2. CHECK DRIVER SIDE J/B (DRIVER SIDE J/B ECU)
a. Disconnect the 2G connector.
b. Disconnect the D2 and D4 ECU connectors.
c. Measure the voltage and resistance of the wire harness side connectors.
If the result is not as specified, there may be a malfunction on the wire harness side.
3. CHECK PASSENGER SIDE J/B (PASSENGER SIDE J/B ECU)
a. Disconnect the 3E, 3G and 3H J/B connectors.
b. Disconnect the P4 and P6 ECU connector.
c. Measure the voltage and resistance of the wire harness side connectors.
If the result is not as specified, there may be a malfunction on the wire harness side.
4. CHECK LUGGAGE ROOM J/B ASSY (LUGGAGE ROOM J/B ECU)
a. Disconnect the 6A, 6F and 6J J/B connectors.
b. Disconnect the L24 ECU connector.
c. Measure the voltage and resistance of the wire harness side connectors.
If the result is not as specified, there may be a malfunction on the wire harness side.
5. CHECK MULTIPLEX NETWORK DOOR ECU FRONT LH
a. Disconnect the D17 and D19 ECU connectors.
b. Measure the voltage and resistance of the wire harness side connectors.
If the result is not as specified, there may be a malfunction on the wire harness side.
6. CHECK MULTIPLEX NETWORK DOOR ECU FRONT RH
a. Disconnect the P9 and P11 ECU connectors.
b. Measure the voltage and resistance of the wire harness side connectors.
If the result is not as specified, there may be a malfunction on the wire harness side.
7. CHECK TIRE PRESSURE MONITOR RECEIVER ASSY
a. Disconnect the T9 ECU connector.
b. Measure the voltage and resistance of the wire harness side connector.
If the result is not as specified, there may be a malfunction on the wire harness side.
8. CHECK THEFT WARNING ECU ASSY
a. Disconnect the T7 ECU connector.
b. Measure the voltage and resistance of the wire harness side connector.
If the result is not as specified, there may be a malfunction on the wire harness side.
9. CHECK TRANSPONDER KEY ECU ASSY
a. Disconnect the T13 ECU connector.
b. Measure the voltage and resistance of the wire harness side connector.
If the result is not as specified, there may be a malfunction on the wire harness side.
10. CHECK TURN SIGNAL SWITCH ASSY
a. Disconnect the C11 Switch connector.
b. Measure the voltage and resistance of the wire harness side connector.
If the result is not as specified, there may be a malfunction on the wire harness side.
11. CHECK MULTIPLEX NETWORK FRONT LAMP ECU
a. Measure the voltage and resistance of the connectors.
NOTE: Inspection should be started from the backside of the relay block with the multiplex network front lamp ECU connector being connected.
If the result is not as specified, there may be a malfunction on the wire harness side.
12. CHECK STEERING PAD SWITCH MODULATOR
a. Disconnect the C10 modulator connector.
b. Measure the voltage and resistance of the wire harness side connectors.
If the result is not as specified, there may be a malfunction on the wire harness side.
13. CHECK MULTIPLEX TILT & TELESCOPIC ECU
a. Disconnect the T8 ECU connector.
b. Measure the voltage and resistance of the wire harness side connectors.
If the result is not as specified, there may be a malfunction on the wire harness side.
14. CHECK COMBINATION METER ASSY
a. Disconnect the C8 and C9 meter connectors.
b. Measure the voltage and resistance of the wire harness side connectors.
If the result is not as specified, there may be a malfunction on the wire harness side.
15. CHECK SKID CONTROL ECU ASSY
a. Disconnect the S5, S6, S7 and S8 ECU connectors.
b. Measure the voltage and resistance of the wire harness side connectors.
If the result is not as specified, there may be a malfunction on the wire harness side.
16. CHECK A/C AMPLIFIER ASSY
a. Disconnect the A9 and A10 ECU connectors.
b. Measure the voltage and resistance of the wire harness side connectors.
If the result is not as specified, there may be a malfunction on the wire harness side.
17. CHECK ECM
a. Measure the voltage and resistance of the wire harness side connectors.
NOTE:
- Inspection should be started from the backside of the ECM with the ECM connector being connected.
- Inspect the power source voltage and the body ground before the operation inspection.
If the result is not as specified, there may be a malfunction on the wire harness side.
18. CHECK SLIDING ROOF CONTROL ECU ASSY
a. Disconnect the S18 and S19 ECU connectors.
b. Measure the voltage and resistance of the wire harness side connectors.
If the result is not as specified, there may be a malfunction on the wire harness side.
19. CHECK POSITION CONTROL ECU ASSY (DRIVER SEAT ECU)
a. Disconnect the P21 and P22 ECU connectors.
b. Measure the voltage and resistance of the wire harness side connectors.
If the result is not as specified, there may be a malfunction on the wire harness side.
20. CHECK POSITION CONTROL ECU ASSY (PASSENGER SEAT ECU)
a. Disconnect the P23 and P24 ECU connectors.
b. Measure the voltage and resistance of the wire harness side connectors.
If the result is not as specified, there may be a malfunction on the wire harness side.
21. CHECK AIRBAG ECU
22. CHECK RADIO RECEIVER AMPLIFIER ASSY