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PM–12 PARK ASSIST / MONITORING – CLEARANCE SONAR SYSTEM PM TERMINALS OF ECU 1. CLEARANCE WARNING ECU (a) Disconnect the E31 ECU connector. connector. Standard voltage: If the result is not as specified, there may be a (c) Reconnect the ECU connector. Standard voltage: If the result is not as specified, the ECU may have a 1 2 3 4 5 6 7 8 9 10 11 12 E31 I102375E02 Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition +B (E31-3) - Body ground LG - Body ground +B power supply Ignition switch ON, back sonar switch ON 11 to 14 V Ignition switch ON, back sonar switch OFF Below 1 V E (E31-10) - Body ground W-B - Body ground Body ground Always Below 1 V Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition BBZ (E31-2) - E (E 31-10) L-B - W-B Buzzer input Ignition switch ON, back sonar switch ON Pulse generation Ignition switch ON, back sonar switch OFF Below 1 V S6 (E31-12) - E1 (E31-11) P - Y No. 1 ultrasonic sensor (LH) When signal transmitted from ECU to No. 1 ultrasonic sensor (LH) Pulse generation S5 (E31-6) - E2 (E31-5) B - W No. 1 ultrasonic sensor (RH) When signal transmitted from ECU to No. 1 ultrasonic sensor (RH) RL (E31-8) - Body ground R-Y - Body ground Back-up light switch signal input Ignition switch ON, shift lever in reverse position 11 to 14 V Ignition switch ON, shift lever except reverse position Below 1 V |