Inspection Procedure
- CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - RADIO RECEIVER)
- Disconnect the F29 display connector.
- Disconnect the F25 receiver connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
RESISTANCE REFERENCETester Connection Condition Specified Condition F29-4 (W-) - F25-2 (GND) Always Below 1 Ω F29-1 (W+) - F25-1 (NTSC) Always Below 1 Ω F29-4 (W-) - Body ground Always 10 kΩ or higher F29-1 (W+) - Body ground Always 10 kΩ or higher F25-3 (SLD) - Body ground Always 10 kΩ or higher NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK: Go to Next Step
- CHECK RADIO RECEIVER ASSEMBLY (NTSC SIGNAL)
- Reconnect the F25 receiver connector.
- Check the waveform of the radio receiver using an oscilloscope.
Measurement Condition
CONDITION OF MEASUREMENTItem Content Terminal No. (Symbol) F25-1 (NTSC) - Body ground Tool setting 0.2V/DIV., 10 sec./DIV. Condition DVD played on radio receiver OK: Waveform is as shown in the illustration.
NG: REPLACE RADIO RECEIVER ASSEMBLY (See REMOVAL )
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )