Terminals Of Ecu

WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

ENGINE ROOM NO.2 RELAY BLOCK

Fig 1: Identifying Connector Terminals Of Relay Block
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Fig 2: Relay Block Reference Chart (1 Of 2)
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Fig 3: Relay Block Reference Chart (2 Of 2)
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DRIVER SIDE JUNCTION BLOCK

Fig 4: Identifying Connector Terminals Of Driver Side Junction Block
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Fig 5: Driver Side Junction Block Reference Chart (1 Of 3)
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Fig 6: Driver Side Junction Block Reference Chart (2 Of 3)
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Fig 7: Driver Side Junction Block Reference Chart (3 Of 3)
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PASSENGER SIDE JUNCTION BLOCK

Fig 8: Identifying Connector Terminals Of Passenger Side Junction Block
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Fig 9: Passenger Side Junction Block Reference Chart (1 Of 2)
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Fig 10: Passenger Side Junction Block Reference Chart (2 Of 2)
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LUGGAGE ROOM JUNCTION BLOCK

Fig 11: Identifying Connector Terminals Of Luggage Room Junction Block
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Fig 12: Luggage Room Junction Block Reference Chart (1 Of 2)
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Fig 13: Luggage Room Junction Block Reference Chart (2 Of 2)
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COMBINATION SWITCH

Fig 14: Identifying Connector Terminals Of Combination Switch
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Fig 15: Combination Switch Reference Chart
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DRIVER DOOR ECU

Fig 16: Identifying Connector Terminals Of Driver Door ECU
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Fig 17: Driver Door ECU Reference Chart
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PASSENGER DOOR ECU

Fig 18: Identifying Connector Terminals Of Passenger Door ECU
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Fig 19: Passenger Door ECU Reference Chart
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REAR DOOR LH ECU

Fig 20: Identifying Connector Terminals Of Rear Door LH ECU
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Fig 21: Reference Chart Rear Door LH ECU
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REAR DOOR RH ECU

Fig 22: Identifying Connector Terminals Of Rear Door RH ECU
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Fig 23: Reference Chart Rear Door RH ECU
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AFS ECU

Fig 24: Identifying Connector Terminals Of AFS ECU
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Fig 25: AFS ECU Reference Chart (1 Of 2)
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Fig 26: AFS ECU Reference Chart (2 Of 2)
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Waveform 1

HINT:
- Terminal: SPDL - GND, SPDR - GND
- Gauge set: 5 V / DIV. 2 ms / DIV
- Condition: Vehicle is driving at approximately 30 km/h (19 mph)
Fig 27: Waveform 1 (Terminal: SPDL - GND, SPDR - GND)
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Waveform 2

HINT:
- Terminal: LR1 +. LR1 -. LR2+. LH2- - GND LL1+. LL1-. LL2+. LL2- - GND
- Gauge set: 5 V / DIV. 20 us / DIV
- Condition: The DRL system is on with engine running or the light control switch is in the HEAD position when the vehicle standing still or bouncing.
Fig 28: Waveform 2 (Terminal: LR1 +. LR1 -. LR2+. LH2- - GND LL1+. LL1-. LL2+. LL2- - GND)
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If the value is not within the standard range, it is possible there is some defect on the vehicle side. Inspect the fuse, wire harness and connector.