Terminals Of Ecu
- CHECK MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)
- Disconnect the 2A, 2B and 2E junction block connectors.
- Measure the resistance and voltage according to the value(s) in the table below.CONNECTOR TERMINAL REFERENCE
Tester Connection Wiring Color Terminal Description Condition Specified Condition 2E-17 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω 2B-30 (BECU) - Body ground W - Body ground Power Source Always 11 to 14 V 2A-21 (DCTY) - Body ground V - Body ground Driver door courtesy light switch signal Switch pushed (Door closed) 10 kΩ or higher 2A-21 (DCTY) - Body ground V - Body ground Driver door courtesy light switch signal Switch free (Door open) Below 1 Ω 2E-23 (KSW) - Body ground L - Body ground Key unlock warning switch signal No key is in ignition key cylinder 10 kΩ or higher 2E-23 (KSW) - Body ground L - Body ground Key unlock warning switch signal Key is in ignition key cylinder Below 1 Ω If the result is not as specified, there may be a malfunction on the wire harness side.