Inspection Procedure

CHECK REVERSE SIGNAL (DISPLAY CHECK MODE)

Enter the "Display Check" mode and select "Vehicle Signal Check Mode" (See OPERATION CHECK ).
Check that the display changes between ON and OFF according to the shift lever operation.
OK

SHIFT LEVER OPERATION

Shift Lever Position	Display
R	ON
Except R	OFF

HINT:

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

Fig 1: Display - Vehicle Signal Check Mode

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NG: Go to step 4

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - NAVIGATION ECU)

Disconnect the F30 display connector.
Disconnect the F32 ECU connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance

RESISTANCE REFERENCE

Tester Connection	Condition	Specified Condition
F30-15 (REV2) - F32-20 (REV)	Always	Below 1 Ω
F30-15 (REV2) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig 2: Identifying F30 Display Connector & F32 ECU Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step

CHECK MULTI-DISPLAY

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

VOLTAGE SPECIFICATION

Tester Connection	Condition	Specified Condition
F30-15 (REV2) - Body ground	Engine switch on (IG), shift lever moved to R	11 to 14 V
F30-15 (REV2) - Body ground	Engine switch on (IG), shift lever moved to other than R	Below 1 V

Fig 3: Identifying F39 Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPLACE NAVIGATION ECU (See NAVIGATION ECU )

CHECK PARK/NEUTRAL POSITION SWITCH

Disconnect the F28 display connector.
Measure the voltage according to the value(s) in the table below.
Standard Voltage

VOLTAGE SPECIFICATION

Tester Connection	Condition	Specified Condition
F28-13 (REV) - Body ground	Engine switch on (IG), the shift lever moved to R	11 to 14 V
F28-13 (REV) - Body ground	Engine switch on (IG), the shift lever moved to other than R	Below 1 V

NG: Go to step 5

Fig 4: Identifying F28 Display Connector

CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - PARK/NEUTRAL POSITION SWITCH)

Disconnect the F28 display connector.
Disconnect the C19 position switch connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance

RESISTANCE REFERENCE

Tester Connection	Condition	Specified Condition
F28-13 (REV) - C19-1	Always	Below 1 Ω
F28-13 (REV) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig 5: Identifying F28 Display Connector & C19 Position Switch Connector

OK: REPLACE PARK/NEUTRAL POSITION SWITCH (See REMOVAL )