| Last Modified: 11-27-2007 | 1.6 M | |
| Service Category: Vehicle Interior | Section: Supplemental Restraint Systems | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000001QX400WX |
| Title: SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM: REGISTRATION (2008 LX570) | ||
REGISTRATION
1. REGISTRATION
NOTICE:
- If any DTCs related to the occupant classification ECU are output, troubleshoot those DTCs by referring to the Diagnostic Trouble Code Chart.
- When ECU data saving or loading operations cannot be performed, replace the No. 1 seat cushion (occupant classification ECU and occupant detection sensor).
HINT:
- When the No. 1 seat cushion (occupant classification ECU) is replaced, the previous ECU data must be saved in the Techstream and loaded into the new ECU by following the flowchart below.
- Until the data from the previous ECU are loaded into the new occupant classification ECU, these data are not cleared even when the Techstream is turned off.
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Store the occupant classification ECU data in the Techstream by following the prompts on the Techstream screen.
HINT:
If the ECU data cannot be stored in the Techstream, replace the No. 1 seat cushion (occupant classification ECU and occupant detection sensor).
(d) Turn the engine switch on (IG).
(e) Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
(f) Replace the No. 1 seat cushion (occupant classification ECU)
.
(g) Connect the cable to the negative (-) battery terminal.
(h) Turn the engine switch on (IG).
(i) Load the data from the previous ECU stored in the Techstream into the newly installed ECU by following the prompts on the Techstream screen.
(j) Turn the engine switch off.
(k) Turn the engine switch on (IG).
(l) Clear the DTCs stored in the memory
.
HINT:
If DTCs are not cleared at this time, past DTCs will remain.
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