Diagnosis System
- LIST OF OPERATION METHODS
- By operating each of the A/C control switches as shown in the diagram below, it is possible to enter the diagnosis check mode.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- CHECK DLC3
- 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.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002 TERMINALS REFERENCE
| Symbols (Terminals No.) |
Terminal Description |
Condition |
Specified Condition |
| SIL (7) - SG (5) |
Bus '+' line |
During transmission |
Pulse generation |
| CG (4) - Body ground |
Chassis ground |
Always |
Below 1 Ω |
| SG (5) - Body ground |
Signal ground |
Always |
Below 1 Ω |
| BAT (16)- Body ground |
Battery positive |
Always |
10 to 14 V |