Central Control Module: Service and Repair
Network Gateway ECU Part 1:
Network Gateway ECU Part 2:
Network Gateway ECU Part 3:
NETWORK GATEWAY ECU
REPLACEMENT
HINT: The installation procedures are the removal procedures in reverse order. However, only installation procedures requiring additional information are included.
1. TABLE OF BOLT, SCREW AND NUT
2. SET RADIO RECEIVER ASSEMBLY TO SHIPMENT MODE
a. Take out all CDs.
NOTE: If CD(s) cannot be taken out, do not attempt to take it out forcibly. Send the unit to a repair shop.
b. While simultaneously pressing the "SEEK UP" and "DISC" switches, turn the ignition switch to ACC.
HINT:
- The CD indicator lamp blinks during mode setting and it remains lit after the setting is completed.
- When the mode setting is completed, "SHIPMENT" appears on the display.
c. Turn the ignition switch OFF.
HINT: Disconnecting the cable from the battery.
3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
4. INSPECT CENTER FRONT WHEEL
5. REMOVE STEERING WHEEL COVER LOWER NO.2
6. REMOVE SWITCH & VOLUME CASE
7. REMOVE STEERING PAD SWITCH MODULATOR
8. REMOVE HORN BUTTON ASSEMBLY
9. REMOVE STEERING WHEEL ASSEMBLY
10. REMOVE DOOR SCUFF PLATE ASSEMBLY RH
11. REMOVE DOOR SCUFF PLATE ASSEMBLY LH
12. REMOVE FRONT DOOR OPENING TRIM COVER RH
13. REMOVE FRONT DOOR OPENING TRIM COVER LH
14. REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY NO.1
15. REMOVE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY
16. REMOVE STEERING COLUMN COVER LWR
17. REMOVE STEERING COLUMN COVER UPR
18. REMOVE TURN SIGNAL SWITCH ASSEMBLY
19. REMOVE COMBINATION METER ASSEMBLY
20. REMOVE CONSOLE UPPER PANEL GARNISH REAR
21. REMOVE CONSOLE PANEL SUB-ASSEMBLY UPPER
22. REMOVE AIR CONDITIONER CONTROL ASSEMBLY
23. REMOVE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY LOWER CENTER
24. CONFIRM RADIO RECEIVER ASSEMBLY SHIPMENT MODE SETTING
25. w/o LEXUS Navigation System:
REMOVE INSTRUMENT PANEL SAFETY PAD GARNISH SUB-ASSEMBLY
26. w/ LEXUS Navigation System:
REMOVE INSTRUMENT PANEL SAFETY PAD GARNISH SUB-ASSEMBLY
27. w/ LEXUS Navigation System:
REMOVE INSTRUMENT PANEL GARNISH SUB-ASSEMBLY NO.2
28. w/ LEXUS Navigation System:
REMOVE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY CENTER
29. REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY NO.2
30. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY
31. REMOVE CONSOLE BOX CARPET
32. REMOVE BOX PANEL NO.3
33. REMOVE CONSOLE BOX ASSEMBLY
34. REMOVE INSTRUMENT PANEL BRACE SUB-ASSEMBLY NO.2
35. REMOVE INSTRUMENT PANEL BRACE SUB-ASSEMBLY NO.1
36. REMOVE FRONT PILLAR GARNISH RH
37. REMOVE FRONT PILLAR GARNISH LH
38. REMOVE INSTRUMENT SIDE PANEL RH
39. REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY
40. REMOVE HEATER TO REGISTER DUCT NO.4
41. REMOVE STEERING COLUMN ASSEMBLY
42. REMOVE INSTRUMENT PANEL PIN NO.1
43. REMOVE DEFROSTER NOZZLE GARNISH NO.1
44. REMOVE SIDE DEFROSTER NOZZLE DUCT NO.1
45. REMOVE SIDE DEFROSTER NOZZLE DUCT NO.2
46. REMOVE DEFROSTER NOZZLE FRONT
47. REMOVE HEATER TO REGISTER DUCT NO.1
48. REMOVE HEATER TO REGISTER DUCT NO.3
49. REMOVE HEATER TO REGISTER DUCT NO.2
50. REMOVE INSTRUMENT PANEL REINFORCEMENT
51. REMOVE NETWORK GATEWAY ECU
a. Remove the 2 screws and ECU.
52. INSTALL INSTRUMENT PANEL REINFORCEMENT
53. INSTALL STEERING COLUMN ASSEMBLY
54. INSTALL INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY
55. INSTALL INSTRUMENT PANEL BRACE SUB-ASSEMBLY NO.2
56. INSTALL INSTRUMENT PANEL BRACE SUB-ASSEMBLY NO.1
57. INSTALL CONSOLE BOX ASSEMBLY
58. CENTER SPIRAL CABLE
59. INSTALL STEERING WHEEL ASSEMBLY
60. INSPECT STEERING WHEEL CENTER POINT
61. INSPECT HORN BUTTON ASSEMBLY
62. INSTALL HORN BUTTON ASSEMBLY
63. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
64. PERFORM INITIALIZATION Programming and Relearning
NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
65. CHECK SRS WARNING LAMP