Section 482 (Back Monitor System - Diagnostics): Pre-Check

WARNING: This page is about a different car, the 2004 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT TELEVISION CAMERA ASSY:

Standard signal check
1. Using the tester, measure the voltage and the continuity between terminals.
  
  Fig 1: Identifying Terminal Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  Leave the connector being connected.
2. Using the oscilloscope, check wave forms between terminals.
HINT:
- Leave the connector being connected.
- The waveform shown is merely an example. Noise waveform and chattering waveform are omitted.
Standard:

Connector T11

Fig 2: Identifying Terminal Connectors
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 3: Identifying Oscilloscope Waveform
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

< Reference >

Oscilloscope waveform.

Waveform 1.

STANDARD

Item	Content
Terminal	CV+<=> CV-
Tool setting	0.2 V/DIV, 0.2 mus/DIV
Condition	IG SW ON, shift lever R range

INSPECT RADIO RECEIVER ASSY (BACK MONITOR CONTROLLER)

Standard signal check.
1. Using the tester, measure the voltage and the continuity between terminals.
  HINT:
  
  Leave the connectors being connected.
2. Check waveforms between terminals.
HINT:
- Leave the connectors being connected.
- The waveform shown is merely or example. Noise waveform and chattering waveform are omitted.
Fig 4: Identifying Terminal Connectors
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard:

Connector R12

Fig 5: Specification Connector R12 Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Connector R9

Fig 6: Specification Connector R9 Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Connector R6

Fig 7: Specification Connector R6 Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 8: Identifying Oscilloscope Waveform
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

< Reference >
Oscilloscope waveform.

Waveform 1.

STANDARD

Item	Content
Terminal	V+ <=>V-
Tool setting	0.2V/DIV, 0.2 mus/DIV
Condition	IG SW ON, shift lever R range

INSPECT BACK MONITOR CAMERA WIRE

Fig 9: Inspecting Back Monitor Camera Wire

Continuity check.

Using the tester, measure the continuity between terminals.

STANDARD

Tester Connection	Specified Condition
A-1 (Radio receiver ASSY side)<=> B-4 (Television camera ASSY side)	Continuity
A-2 (Radio receiver ASSY side)<=> B-1 (Television camera ASSY side)	Continuity
A-3 (Radio receiver ASSY side)<=> B-3 (Television camera ASSY side)	Continuity
A-4 (Radio receiver ASSY side)<=> B-2 (Television camera ASSY side)	Continuity