Terminals Of ECM
WARNING: This page is about a different car, the 2005 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
Each ECM terminal's standard voltage is shown in the table below.
In the table, first follow the information under "Condition". Look under "Symbols (Terminal No.)" for the terminals to be inspected. The standard voltage between the terminals is shown under "Specific Condition".
Use the illustration above as a reference for the ECM terminals.
HINT:
*:4WD
Waveform 1
Reference:
REFERENCE CHART (1 OF 6)
| Terminal | SLT+ - SLT- |
| Tool setting | 5V/DIV, 1ms/DIV |
| Vehicle condition | Engine idle speed |
Waveform 2
Reference:
REFERENCE CHART (2 OF 6)
| Terminal | SLU+ - SLU- |
| Tool setting | 5V/DIV, 1 ms/DIV |
| Vehicle condition | 5th (lock-up) or 6th (lock-up) gear |
Waveform 3
Reference:
REFERENCE CHART (3 OF 6)
| Terminal | SL2+ - SL2- |
| Tool setting | 5V/DIV, 1 ms/DIV |
| Vehicle condition | Engine idle speed |
Waveform 4
Reference:
REFERENCE CHART (4 OF 6)
| Terminal | SL1+-SL1- |
| Tool setting | 5V/DIV, 1 ms/DIV |
| Vehicle condition | Engine idle speed |
Waveform 5
Reference:
REFERENCE CHART (5 OF 6)
| Terminal | NT+ - NT- |
| Tool setting | 1 V/DIV, 2ms/DIV |
| Vehicle condition | Engine idle speed (P or N position) |
Waveform 6
Reference:
REFERENCE CHART (6 OF 6)
| Terminal | SP2+ - SP2- |
| Tool setting | 2V/DIV, 20ms/DIV |
| Vehicle condition | Vehicle speed 20 km/h (12 mph) |