Toyota Sienna Service Manual: Display Signal Circuit between Radio and Navigation Assembly and Television Camera Assembly
DESCRIPTION
This is the display signal circuit of the television camera assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSEMBLY - TELEVISION CAMERA ASSEMBLY)
- Disconnect the R10 connector from the radio and navigation assembly.
- Disconnect the T10 connector from the television camera assembly.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
2 INSPECT RADIO AND NAVIGATION ASSEMBLY
- Reconnect the radio and navigation assembly R10 connector.
- Measure the voltage according to the value(s) in the table below
Standard voltage
3 INSPECT TELEVISION CAMERA ASSEMBLY
- Reconnect the radio and navigation assembly R10 connector and the television camera assembly T10 connector.
- Check the waveform of the television camera assembly using an oscilloscope.
- Measurement terminal: CV+ - CVMeasurement setting: 0.2 V/DIV, 0.2 μs/DIV Condition: Ignition switch ON, Shift lever in R range
OK: Pulses as shown in the illustration.
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Reverse Signal Circuit
DESCRIPTION
The radio and navigation assembly receives a reverse signal from the
park/neutral position switch.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT RADIO AND NAVIGATION ASSEMBLY
...
Clearance warning ECU
COMPONENTS
REMOVAL
1. REMOVE FRONT DOOR SCUFF PLATE LH
2. REMOVE COWL SIDE TRIM BOARD LH
3. REMOVE INSTRUMENT PANEL FINISH PANEL SUBASSEMBLY LOWER LH
4. REMOVE NO. 1 INSTRUMENT PANEL SAFETY PAD ...
Other materials:
Rear Clearance Sonar Sensor LH Circuit
DESCRIPTION
An ultrasonic sensor consists of a sensor portion that transmits and receives
ultrasonic waves and a preamplifier
that amplifies them. The ultrasonic sensor outputs the ultrasonic waves and
sends the received
signals to the clearance warning ECU.
WIRING DIAGRAM
INSPECTION PR ...
Perform monitor drive pattern
The monitor results and test values can be checked with
the OBD II scan tool or the intelligent tester. The engine
control module (ECM) monitors the emissions-related
components such as the thermostat, catalyst converter
and evaporative emissions (EVAP), and determines
whether they are function ...
Removal
1. REMOVE INSTRUMENT CLUSTER CENTER NO. 1 FINISH PANEL
2. REMOVE INSTRUMENT CLUSTER CENTER NO. 2 FINISH PANEL
3. REMOVE INSTRUMENT CLUSTER FINISH PANEL GARNISH
4. REMOVE RADIO RECEIVER
Remove the 4 screws.
Disconnect the connectors and remove the radio
receiver with bracke ...
