DTC C13A6/42: Open or Short in Circuit of Motor: Procedure

1. Disconnect the S46 ECU connector.
2. Disconnect the S32 actuator connector.
3. Measure the resistance according to the value(s) in the table below.
   Fig 1: Identifying S46 ECU And S32 Actuator Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard resistance

   Tester Connection	Condition	Specified Condition
   S46-1 (M-) - S32-7 (M-)	Always	Below 1 Ω
   S46-1 (M-) - Body ground	Always	10 kΩ or higher
   S46-2 (M+) - S32-8 (M+)	Always	Below 1 Ω
   S46-2 (M+) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the S32 actuator connector.
2. Measure the resistance according to the value(s) in the table below.
   Fig 2: Identifying Electric Parking Brake Actuator Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard resistance

   Tester Connection	Condition	Specified Condition
   7 (M-) - 8 (M+)	Always	Below 4 Ω
   7 (M-) - Body ground	Always	10 kΩ or higher

NG → See step   3 

OK → See step   4