Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

CHECK WIRE HARNESS (MAIN BODY ECU - DOOR CONTROL RECEIVER)

Disconnect the E17 ECU connector.
Disconnect the L18 receiver connector.

Measure the resistance of the wire harness side connectors.

Standard resistance

RESISTANCE SPECIFIED CONDITIONS

Tester Connection	Specified Condition
E17-5 (RDA) - L18-2 (RDA)	Below 1 Ω
E17-6 (PRG) - L18-3 (PRG)	Below 1 Ω
E17-5 (RDA) or L18-2 (RDA) - Body ground	10 kΩ or higher
E17-6 (PRG) or L18-3 (PRG) - Body ground	10 kΩ or higher

Fig 1: Identifying E17 ECU And L18 Receiver Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go TO NEXT STEP.

CHECK WIRE HARNESS (DOOR CONTROL RECEIVER - BATTERY AND BODY GROUND)

Disconnect the L18 receiver connector.

Measure the resistance and voltage of the wire harness side connector.

Standard resistance

RESISTANCE SPECIFIED CONDITIONS

Tester Connection	Specified Condition
L18-1 (GND) - Body ground	Below 1 Ω

Standard voltage

VOLTAGE SPECIFIED CONDITIONS

Tester Connection	Specified Condition
L18-5 (+B) - Body ground	10 to 14 V

Fig 2: Identifying L18 Receiver Connector Terminals

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go TO NEXT STEP.

REPLACE DOOR CONTROL RECEIVER
1. Temporarily replace the door control receiver with a new or normally functioning one.
2. Perform the REGISTRATION procedures (see REGISTRATION ).
CHECK FOR DTC
1. Clear the DTC (see DTC CHECK / CLEAR ).
2. Recheck for DTC.
  OK: DTC B1242 is not output.
NG: REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)

OK: END (DOOR CONTROL RECEIVER IS DEFECTIVE)