Inspection Procedure

1. Move the shift lever to the R position and check if the back-up light comes on.

   OK: The back-up light comes on. 

NG: GO TO  LIGHTING SYSTEM 

OK: Go to next step. 

1. Enter the "Display Check" mode (Vehicle Signal Check Mode) (See DISPLAY CHECK MODE ).
2. Check that the display changes between ON and OFF according to the shift lever operation (P and R).

   OK 

   VEHICLE SIGNAL (DISPLAY CHECK MODE)
   
   

   Shift Lever Position	Display
   R	ON
   Except R	OFF

Fig 1: Vehicle Signal Check Mode Screen

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

This display is updated once per second. As a result, it is normal for the display to leg behind the actual change in the switch.

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

NG: Go to next step. 

1. Disconnect the multi-display connector J50.
2. Measure the voltage according to the value(s) in MULTI-DISPLAY  .

   Standard voltage 

   MULTI-DISPLAY
   
   

   Tester Connection	Condition	Specified Condition
   REV - Body ground	Engine switch is on (IG). Shift lever is moved to R position.	10 to 14 V
   REV - Body ground	Engine switch is on (IG). Shift lever is moved to any position except R.	Below 1 V

Fig 2: Inspecting Multi-Display

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPLACE MULTI-DISPLAY 

NG: Go to next step. 

1. Disconnect the multi-display connector J50 and cowl side J/B LH connector Q2.
2. Measure the resistance according to the value(s) in MULTI-DISPLAY - COWL SIDE J/B LH  .

   Standard resistance 

   MULTI-DISPLAY - COWL SIDE J/B LH
   
   

   Tester Connection	Condition	Specified Condition
   REV - Back	Always	Below 1 ohms
   REV - Body ground	Always	10 k ohms or higher

Fig 3: Checking Harness And Connector (Multi-Display - Cowl Side J/B LH)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step. 

1. Disconnect the main body ECU LH (cowl side J/B LH) connector LJ.
2. Measure the voltage according to the value(s) in TESTER CONNECTION AND SPECIFIED CONDITION TABLE  .

   Standard voltage 

   JUNCTION CONNECTOR - COWL SIDE J/B LH
   
   

   Tester Connection	Condition	Specified Condition
   BKUP - Body ground	Engine switch is on (IG). Shift lever is moved to R position.	10 to 14 V
   BKUP - Body ground	Engine switch is on (IG). Shift lever is moved to any position except R.	Below 1 V

Fig 4: Checking Harness And Connector (Junction Connector - Cowl Side J/B LH)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE COWL SIDE JUNCTION BLOCK LH