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Last Modified: 7-3-2017 |
6.8:8.0.40 |
Doc ID: RM000001CFV004X |
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Model Year Start: 2007 |
Model: LX470 |
Prod Date Range: [08/2006 -
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Title:
AIR CONDITIONING: AIR CONDITIONING SYSTEM: DIAGNOSIS SYSTEM; 2007 MY LX470 [08/2006 - ]
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DIAGNOSIS SYSTEM
1. LIST OF OPERATION METHODS
(a) By operating each of the A/C control switches as shown in the diagram below, it is possible to enter the diagnosis check mode.
2. CHECK DLC3
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(a) The ECM uses ISO 15765-4 for communication. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format.
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Symbols (Terminals No.)
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Terminal Description
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Condition
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Specified Condition
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SIL (7) - SG (5)
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Bus '+' line
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During transmission
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Pulse generation
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CG (4) - Body ground
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Chassis ground
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Always
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Below 1 Ω
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SG (5) - Body ground
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Signal ground
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Always
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Below 1 Ω
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BAT (16) - Body ground
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Battery positive
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Always
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10 to 14 V
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