KEY REMINDER WARNING SYSTEM TERMINALS OF ECU

CHECK MAIN BODY ECU

1. Remove the main body ECU from the cowl side junction block LH.

   for LHD:Click here

   for RHD:Click here

2. Connect the cowl side junction block LH connectors.

3. Measure the voltage and resistance according to the value(s) in the table below.

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   A-11 (GND1) - Body ground	None - Body ground	Ground	Always	Below 1 Ω
   A-30 (ACC) - Body ground	None - Body ground	ACC power supply	ignition switch ACC	11 to 14 V
   			ignition switch off	Below 1 V
   A-31 (BECU) - Body ground	None - Body ground	Battery power supply	Always	11 to 14 V
   A-32 (IG) - Body ground	None - Body ground	IG power supply	ignition switch ON	11 to 14 V
   			ignition switch off	Below 1 V

   If the result is not as specified, there may be a malfunction on the wire harness side.

4. Install the main body ECU to the cowl side junction block LH.

   for LHD:Click here

   for RHD:Click here

5. Measure the voltage according to the value(s) in the table below.

   Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
   2J-28 (KSW) - Body ground	G - Body ground	Key unlock warning switch input	No key in ignition key cylinder	Pulse generation
   			Key in ignition key cylinder	Below 1 V
   E118-6 (FLCY) - Body ground	V - Body ground	Front door courtesy light switch assembly LH input signal	Front door LH open	Front door LH open
   			Front door LH closed	Pulse generation
   E118-27 (FRCY) - Body ground	V - Body ground	Front door courtesy light switch assembly RH input signal	Front door RH open	Below 1 V
   			Front door RH closed	Pulse generation

   If the result is not as specified, the ECU may have a malfunction.