Inspection Procedure

CHECK VEHICLE SIGNAL (DISPLAY CHECK MODE)

Enter the "Display Check" mode (Vehicle Signal Check Mode) (see DISPLAY CHECK MODE ).

Check that the display changes between ON and OFF according to the shift lever operation (P and R).

SHIFT LEVER POSITION

Shift Lever Position	Display
R	ON
P	OFF

HINT:

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

Fig 1: Diagnostic Tool Display - Vehicle Signal Check Mode

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPLACE NAVIGATION ECU

NG: GO TO Next Step .

CHECK MAIN BODY ECU LH

Measure the voltage of the junction block.

Standard voltage

VOLTAGE SPECIFICATION

Tester Connection	Shift Lever Position	Specified Condition
V2-2 (BACK) - Body ground	R	10 to 14 V
V2-2 (BACK) - Body ground	Not R	Below 1 V

Fig 2: Identifying Main Body ECU Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE MAIN BODY ECU LH

OK: GO TO Next Step .

CHECK WIRE HARNESS (MULTI-DISPLAY - MAIN BODY ECU LH)

Measure the resistance of the wire harness side connectors.

Standard resistance

RESISTANCE SPECIFICATION

Tester Connection	Specified Condition
K46-13 (REV) - V2-2 (BACK)	Below 1 Ω
K46-13 (REV) - Body ground	10 kΩ or higher

Fig 3: Disconnecting K46 Display Connector

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: GO TO Next Step .

CHECK MULTI-DISPLAY

Measure the voltage of the display.

Standard voltage

VOLTAGE SPECIFICATION

Tester Connection	Shift Lever Position	Specified Condition
h1-15 (REV) - Body ground	R	10 to 14 V
h1-15 (REV) - Body ground	Not R	Below 1 V

Fig 4: Identifying Multi-Display Connector Terminals

NG: REPLACE MULTI-DISPLAY

OK: REPLACE NAVIGATION ECU