CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU), INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
| *1 | Main Body ECU (Multiplex Network Body ECU) | - | - |
Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.
for LHD: Click here
for RHD: Click here
Measure the voltage and resistance according to the value(s) in the table below.
| Tester Connection | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| 4F-1 - Body ground | B - Body ground | Power source | Always | 11 to 14 V |
| A-32 (IG) - Body ground | None - Body ground | Power source (IG) | Engine switch off → on (IG) | Below 1 V → 11 to 14 V |
| A-30 (ACC) - Body ground | None - Body ground | Power source (ACC) | Engine switch off → on (ACC) | Below 1 V → 11 to 14 V |
| A-31 (BECU) - Body ground | None - Body ground | Power source | Always | 11 to 14 V |
| A-11 (GND1) - Body ground | None - Body ground | Ground | Always | Below 1 Ω |
Install the main body ECU (multiplex network body ECU) to the instrument panel junction block assembly.
for LHD: Click here
for RHD: Click here
Measure the voltage according to the value(s) in the table below.
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