Vehicle Interior. Yaris. Ncp93, 131
Door Lock. Yaris. Ncp93, 131
Wireless Door Lock Control System (For Sedan) -- Terminals Of Ecu |
| CHECK MAIN BODY ECU |
Disconnect the 4B and 4E main body ECU (vehicle rear side) connectors.
Measure the voltage and resistance of the wire harness side connectors.
If the result is not as specified, there may be a malfunction in the wire harness.Standard: Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition BECU (4B-30) - GND1 (4E-17) L - W-B Battery (power supply) Always 11 to 14 V GND1 (4E-17) - Body ground W-B - Body ground Ground Always Below 1 Ω Reconnect the main body ECU (vehicle rear side) connectors.
Measure the voltage of the wire harness side connectors.
Standard voltage: Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition KSW (4D-7) - GND1 (4E-17) Y - W-B Key unlock warning switch input Key inserted 0 V KSW (4D-7) - GND1 (4E-17) Y - W-B Key unlock warning switch input No key in ignition key cylinder 11 to 14 V DCTY (4A-21) - Body ground R - Body ground Driver side door courtesy switch input Driver side door closed 11 to 14 V DCTY (4A-21) - Body ground R - Body ground Driver side door courtesy switch input Driver side door open 0 V PCTY (4A-24) - Body ground L - Body ground Passenger side door courtesy switch input Passenger side door closed 11 to 14 V PCTY (4A-24) - Body ground L - Body ground Passenger side door courtesy switch input Passenger side door open 0 V RRCY (4A-20) - Body ground L - Body ground Rear RH door courtesy switch input Rear RH door closed 11 to 14 V RRCY (4A-20) - Body ground L - Body ground Rear RH door courtesy switch input Rear RH door open 0 V RRCY (4A-5) - Body ground G - Body ground Rear LH door courtesy switch input Rear LH door closed 11 to 14 V RRCY (4A-5) - Body ground G - Body ground Rear LH door courtesy switch input Rear LH door open 0 V LGCY (4A-7) - Body ground SB- Body ground Luggage room courtesy switch input Luggage room closed 11 to 14 V LGCY (4A-7) - Body ground SB- Body ground Luggage room courtesy switch input Luggage room open 0 V PRG (D33-17) - Body ground W - Body ground Door control receiver output Key inserted in ignition key cylinder → As key pulled out of ignition key cylinder 11 to 14 V → Pulse generation → 11 to 14 V RDA (D33-16) - Body ground R - Body ground Door control receiver input Ignition switch off, all doors closed and transmitter switch not pressed 11 to 14 V Ignition switch off, all doors closed and transmitter switch pressed Pulse generation HAZ (4S-17) - Body ground B- Body ground Hazard warning light signal Answer-back ON Pulse generation HAZ (4S-17) - Body ground B- Body ground Hazard warning light signal Answer-back OFF 11 to 14 V
| CHECK DOOR CONTROL RECEIVER |
Disconnect the door control receiver connector.
Measure the voltage and resistance of the wire harness side connectors.
If the result is not as specified, there may be a malfunction in the wire harness.Standard: Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition +B (J13-5) - GND (J13-1) L - W-B Battery (power supply) Always 11 to 14 V GND (J13-1) - Body ground W-B - Body ground Ground Always Below 1 Ω Reconnect the door control receiver connector.
Measure the voltage of the wire harness side connectors.
If the result is not as specified, there may be a malfunction in the wire harness.Standard voltage: Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition PRG (J13-3) - Body ground W - Body ground Signal input from main body ECU Key inserted in ignition key cylinder → As key pulled out of ignition key cylinder 11 to 14 V → Pulse generation → 11 to 14 V RDA (J13-2) - Body ground R - Body ground Signal output to main body ECU Ignition switch off, all doors closed and transmitter switch not pressed 11 to 14 V Ignition switch off, all doors closed and transmitter switch pressed Pulse generation