Terminals Of Ecu
- CHECK SKID CONTROL ECU ASSY
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Disconnect the S5, S6, S7 and S8 ECU connectors.
- Measure the resistance and voltage of the wire harness side connectors.
Standard:
SKID CONTROL ECU ASSY CONNECTOR TERMINALS REFERENCE (DISCONNECTED)Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition +BI (S7-17) - Body ground B - Body ground +BI power supply Always 10 to 14 V IG1 (S7-6) - Body ground R - Body ground IG1 power supply Ignition switch OFF Below 1 V IG1 (S7-6) - Body ground R - Body ground IG1 power supply Ignition switch ON 10 to 14 V IG2 (S6-6) - Body ground G-B - Body ground IG2 power supply Ignition switch OFF Below 1 V IG2 (S6-6) - Body ground G-B - Body ground IG2 power supply Ignition switch ON 10 to 14 V GND1 (S8-31) - Body ground W-B - Body ground Ground Always Below 1 ohms GND2 (S8-6) - Body ground W-B - Body ground Ground Always Below 1 ohms GND3 (S5-22) - Body ground W-B - Body ground Ground Always Below 1 ohms GND4 (S5-16) - Body ground W-B - Body ground Ground Always Below 1 ohms If the result is not as specified, there may be a malfunction on the wire harness side.
- Reconnect the S5, S6, S7 and S8 ECU connectors.
- Measure the voltage of the ECU.
Standard:
SKID CONTROL ECU ASSY CONNECTOR TERMINALS REFERENCE (RECONNECTED)Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition SOL+ (S5-14) - GND1 (S8-31) B-Y - W-B Vehicle speed signal input Vehicle speed 0 km/h (0 mph) 6 V SOL+ (S5-14) - GND1 (S8-31) B-Y - W-B Vehicle speed signal input Vehicle speed 35 km/h (18.6 mph) 4.4 V SOL- (S5-21) - GND1 (S8-31) L - W-B Power steering solenoid valve signal Ignition switch ON Below 1 V SOL- (S5-21) - GND1 (S8-31) L - W-B Power steering solenoid valve signal Ignition switch ON Below 1 V If the result is not as specified, the ECU may have a malfunction.