Reverse Signal Circuit: Procedure

1. Move the shift lever to R and check that the back-up lights come on.

   OK

   The back-up lights come on.

NG → See step   3 

OK: Go to next step 

1. Disconnect the E5 navigation receiver assembly.
   Fig 1: Disconnecting E5 Navigation Receiver Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   E5-5 (REV) - Body ground	Ignition switch ON Shift lever in R	11 to 14 V
   E5-5 (REV) - Body ground	Ignition switch ON Shift lever not in R	Below 1 V

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Navigation Receiver Assembly)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   4