Smart Access System (Keyless Start) (Diagnostic Codes & Symptom Tests): Wiring Lexus RX III

WIRING DIAGRAM

HINT

1. A voltage of 12 V or 5 V is output from each ECU and then input to the combination meter. The signal is changed to a pulse signal at the transistor in the combination meter. Each ECU controls the respective system based on the pulse signal.
2. If a short occurs in an ECU, all systems in the diagram above will not operate normally.

Refer to the CAN communication system. Refer to WIRING DIAGRAM .

Refer to the CAN communication system. Refer to WIRING DIAGRAM .

Refer to DTC B2271. Refer to DTC B2271: Ignition Hold Monitor Malfunction .

Refer to DTC B2271. Refer to DTC B2271: Ignition Hold Monitor Malfunction .

Refer to DTC B2274. Refer to DTC B2274: ACC Monitor Malfunction .

Refer to DTC B2274. Refer to DTC B2274: ACC Monitor Malfunction .