Inspection Procedure

OK: 

1. Windshield glass is clean. 

HINT:

Night View Camera Cleaning Method (see PRE-CHECK ).

1. NG: Clean the windshield glass (Dirt on the windshield glass). 
2. OK: Go to Next Step. 

PREPARATION: 

1. Remove the over head junction (map light cover).
2. Remove the connector from the Night View Camera.
3. Connect SST to the wire harness of the Night View Camera on the body side as shown in the illustration.

   SST 09991-00610

   Fig 1: Checking Night View Camera Using SST

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Turn the ignition switch ON.
5. Switch to Inspection Mode (See PRE-CHECK ).

CHECK: 

Check the screen of the Night View Display.

OK: 

1. levels of Black-White shade intensity displayed. 

1. NG: Go to step 3. 
2. OK: Replace Night View Camera. 

PREPARATION: 

1. Remove the combination meter.
2. Turn the ignition switch ON.

CHECK: 

Fig 2: Locating Night View Display Connector - C

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure voltage between terminal VGL of the Night View ECU connector "C" and body ground.

(Terminals of ECU: See TERMINALS OF ECU )

Fig 3: Measuring Voltage Between Terminal VGL Of Night View ECU Connector - C

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: 

1. Voltage: 
2. VGL: -15 to -17 V 
3. (Terminal voltages must meet the specified value between 0 and 20 seconds after ignition switch is ON.) 

1. NG: Go to step   7 . 
2. OK: Go to Next Step. 

PREPARATION: 

Ignition switch ON.

CHECK: 

Fig 4: Locating Night View Display Connector - C

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure voltage between terminal VDD of the Night View ECU connector "C" and body ground.

(Terminals of ECU: See TERMINALS OF ECU )

Fig 5: Measuring Voltage Between Terminal VDD Of Night View ECU Connector - C

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: 

1. Voltage: 
2. VDD: 4.75 to 5.25 V 
3. (Terminal voltages must meet the specified value between 0 and 20 seconds after ignition switch is ON.) 

1. NG: Go to step   7 . 
2. OK: Go to Next Step. 

PREPARATION: 

Ignition switch ON.

CHECK: 

Fig 6: Locating Night View Display Connector - C

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure voltage between terminal VGH of the Night View ECU connector "C" and body ground.

(Terminals of ECU: See TERMINALS OF ECU )

Fig 7: Measuring Voltage Between Terminal VGH Of Night View ECU Connector - C

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: 

1. Voltage: 
2. VGH: 17.4 to 18.6 V 
3. (Terminal voltages must meet the specified value between 0 and 20 seconds after ignition switch is ON.) 

RESULT: 

Fig 8: Result Table

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. B: Go to step 6. 
2. C: Go to step   7 . 
3. A: Replace Night View ECU. 

HINT:

If the symptom still occurs, replace the Night View Display.

PREPARATION: 

1. Ignition switch ON.
2. Inspection Mode ON (See PRE-CHECK ).

CHECK: 

Fig 9: Locating Night View Display Connector - C

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Using an oscilloscope, check the output waveform between terminal VG of the Night View ECU connector "C" and body ground. (Terminals of ECU: See TERMINALS OF ECU )

Fig 10: Identifying Connector - C

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: 

1. The output waveform is as shown in the illustration. (Reference) oscilloscope condition: 
   Fig 11: Item Reference Chart

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   Fig 12: Identifying Waveform

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. NG: Replace Night View Display. 
2. OK: Replace Night View ECU. 

PREPARATION: 

Ignition switch ON.

CHECK: 

Fig 13: Identifying Night View Battery ECU Connector - B

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure voltage between terminal VGL of the Night View ECU connector "B" and body ground.

(Terminals of ECU: See TERMINALS OF ECU )

Fig 14: Measuring Voltage Between Terminal VGL Of Night View ECU Connector - B

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: 

1. Voltage: 
2. VGL: -15 to -17 V 
3. (Terminal voltages must meet the specified value between 0 and 20 seconds after ignition switch is ON.) 

1. NG: Go to step   10 . 
2. OK: Go to Next Step. 

PREPARATION: 

Ignition switch ON.

CHECK: 

Fig 15: Identifying Night View Battery ECU Connector - B

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure voltage between terminals VGL, VDD, VGH of the Night View ECU connector "B" and body ground.

(Terminals of ECU: See TERMINALS OF ECU )

Fig 16: Measuring Voltage Between Terminals VDD Of Night View ECU Connector - B

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: 

1. Voltage: 
2. VDD: 4.75 to 5.25 V 
3. (Terminal voltages must meet the specified value between 0 and 20 seconds after ignition switch is ON.) 

1. NG: Go to step   10 . 
2. OK: Go to Next Step. 

PREPARATION: 

Ignition switch ON.

CHECK: 

Fig 17: Identifying Night View Battery ECU Connector - B

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure voltage between terminal VGH of the Night View ECU connector "B" and body ground.

(Terminals of ECU: See TERMINALS OF ECU )

OK: 

1. Voltage: 
2. VGH: 17.4 to 18.6 V 
3. (Terminal voltages must meet the specified value between 0 and 20 seconds after ignition switch is ON.) 
   Fig 18: Measuring Voltage Between Terminal VGH Of Night View ECU Connector - B

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. NG: Go to step 10. 
2. OK: Replace Night View ECU. 

PREPARATION: 

Remove the wire harness between the Night View Battery ECU and the Night View ECU.

Fig 19: Checking Wire Harness Between Terminals VGL, VDD And VGH Of Night View Battery ECU And Night View ECU

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

CHECK: 

Check the resistance between terminals VGL, VDD, and VGH of connector "D" and those of "B".

(Terminals of ECU: See TERMINALS OF ECU )

OK: 

1. Resistance: Less than 1 Ω 

1. NG: Replace wire harness. 
2. OK: Replace Night View Battery ECU.