Display Signal Circuit Between Radio And Navigation Assembly And Television Camera Assembly
PARK ASSIST / MONITORING: REAR VIEW MONITOR SYSTEM: Display Signal Circuit between Radio and Navigation Assembly and Television Camera Assembly
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
PROCEDURE
1. CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSEMBLY - TELEVISION CAMERA ASSEMBLY)
(a) Disconnect the R26 connector from the radio and navigation assembly.
(b) Disconnect the T11 connector from the television camera assembly.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
2. INSPECT RADIO AND NAVIGATION ASSEMBLY
(a) Reconnect the radio and navigation assembly R26 connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard voltage:
NG -- REPLACE RADIO AND NAVIGATION ASSEMBLY
OK -- Continue to next step.
3. INSPECT TELEVISION CAMERA ASSEMBLY
(a) Reconnect the radio and navigation assembly R26 connector and the television camera assembly T11 connector.
(b) Check the waveform of the television camera assembly using an oscilloscope.
(1) Measurement terminal: 3 - 4
Measurement setting: 0.2 V/DIV, 0.2 micro s/DIV
Condition: Ignition switch ON, Shift lever in R range
OK:
Pulses as shown in the illustration.
NG -- REPLACE TELEVISION CAMERA ASSEMBLY
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE