Terminals Of Ecu
- CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSY
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Disconnect the P9 switch connector.
- Measure the voltage and resistance of the wire harness side connector.
Standard:
TERMINAL DESCRIPTION CHARTSymbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition B (P9-10) - Body ground B - Body ground +B power supply Always 10 to 14 V IG (P9-20) - Body ground R - Body ground Ignition power supply Ignition switch OFF -> ON Below 1 V -> 10 to 14 V GND (P9-2) - Body ground W-B - Body ground Ground Always Below 1 Ω L (P9-4) - Body ground R - Body ground Door control switch door lock input Door control switch OFF -> LOCK 10 kΩ or higher -> Below 1 Ω U (P9-14) - Body ground P - Body ground Door control switch door unlock input Door control switch OFF -> UNLOCK 10 kΩ or higher -> Below 1 Ω If the result is not as specified, there may be a malfunction on the wire harness side.
HINT:
After disconnecting the P9 switch connector, be sure to reconnect it and then reset the power window motor (See INITIALIZATION ).
- CHECK INSTRUMENT PANEL J/B ASSY (INTEGRATION RELAY)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Disconnect the 1A, 1B, 1E, 1G and 1H J/B connectors.
- Disconnect the I6 relay connector.
- Measure the voltage and resistance of the wire harness side connectors.
Standard:
TERMINAL DESCRIPTION CHARTSymbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition ALTB (1G-1) - Body ground W - Body ground +B (power system, generator system) power supply Always 10 to 14 V ECUB (1B-30) - Body ground V - Body ground + B (ECUB) power supply Always 10 to 14 V GND (1E-17) - Body ground W-B - Body ground Ground Always Below 1 Ω KSW (1E-26) - Body ground B - Body ground Key unlock warning switch input No key in ignition key cylinder -> key inserted 10 kΩ or higher -> Below 1 Ω L1 (1H-13) - Body ground GR - Body ground Driver side door control switch lock input Driver side door control switch OFF -> LOCK 10 kΩ or higher -> Below 1 Ω UL1 (1H-14) - Body ground V - Body ground Driver side door control switch unlock input Driver side door control switch OFF -> UNLOCK 10 kΩ or higher -> Below 1 Ω L1 (1H-4) - Body ground L - Body ground Passenger side door control switch lock input Passenger side door control switch OFF -> LOCK 10 kΩ or higher -> Below 1 Ω UL1 (1H-5) - Body ground B - Body ground Passenger side door control switch lock input Passenger side door control switch OFF -> UNLOCK 10 kΩ or higher -> Below 1 Ω L2 (1H-16) - Body ground L - Body ground Driver side door key-linked door lock input Driver side door key cylinder OFF -> LOCK 10 kΩ or higher -> Below 1 Ω UL3 (I6-18) - Body ground P - Body ground Driver side door key-linked door unlock input Driver side door key cylinder OFF -> UNLOCK 10 kΩ or higher -> Below 1 Ω LSWD (I6-20) - Body ground W - Body ground Driver side door lock position switch input Driver side door UNLOCkΩ LOCK 10 kΩ or higher -> Below 1 Ω L2 (1H-7) - Body ground O - Body ground Passenger side door key linked door lock input Passenger side door key cylinder OFF -> LOCK 10 kΩ or higher -> Below 1 Ω UL2 (1H-6) - Body ground LG - Body ground Passenger side door key linked door unlock input Passenger side door key cylinder OFF -> UNLOCK 10 kΩ or higher -> Below 1 Ω DCTY (1A-21) - Body ground O - Body ground Driver side courtesy switch input Driver side door closed -> open 10 kΩ or higher -> Below 1 Ω BCTY (1A-7) - Body ground V - Body ground Back door courtesy switch input Back door closed -> open 10 kΩ or higher -> Below 1 Ω BDSU (I6-19) - Body ground O - Body ground Back door opener switch input Back door opener switch OFF -> ON 10 kΩ or higher -> Below 1 Ω If the result is not as specified, there may be a malfunction on the wire harness side.
- Reconnect the 1A, 1B, 1E, 1G and 1H J/B connectors.
- Reconnect the I6 relay connector.
- Measure the voltage of the connectors.
Standard:
If the result is not as specified, the J/B (integration relay) may have a malfunction.