Inspection Procedure
- INSPECT RADIO RECEIVER ASSY
- Disconnect the radio receiver assy connector R16.
- Measure the resistance according to the value(s) in the table below.
TESTER CONNECTIONS SPECIFIED CONDITIONS CHART (1 OF 2)Tester connection Condition Specified condition TX+-TX- Always 60 to 80 Ω - NG: REPLACE RADIO RECEIVER ASSY (SEE RADIO RECEIVER ASSY )
OK: Go To Next Step
- CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSY - STEREO COMPONENT AMPLIFIER ASSY)
- Disconnect the radio receiver assy R16 connector and stereo component amplifier assy S14 connector.
- Measure the resistance according to the values in the table below.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TESTER CONNECTIONS SPECIFIED CONDITIONS CHART (2 OF 2)Tester connection Specified condition TX+ (S14-8)-TX+ (R16-5) Below 1 Ω TX- (S14-7) - TX- (R16-1 5) Below 1 Ω TX+ (R16-5) - Body ground 10 kΩ or higher TX- (R16-15) - Body ground 10 kΩ or higher - NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go To Next Step
- TROUBLESHOOTING FLOW
- Continue troubleshooting according to the table below.
TROUBLESHOOTING CHARTWhen troubleshooting according to the DIAGNOSTIC TROUBLE CODE CHART A When troubleshooting according to the PROBLEM SYMPTOMS TABLE B - B: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
A
- CHECK DIAGNOSTIC TROUBLE CODE CHART
- Check the diagnostic trouble code chart.
DIAGNOSTIC TROUBLE CODE CHARTAll possible countermeasures have been taken A Possible countermeasures still exist B - B: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN DIAGNOSTIC TROUBLE CODE CHART
A
- REPLACE STEREO COMPONENT AMPLIFIER ASSY (SEE
STEREO COMPONENT AMPLIFIER ASSY
)
- Replace the stereo component amplifier assy and check if it operates normally.
OK: The audio system operates normally.
- OK: NORMAL OPERATION
NG
REPLACE RADIO RECEIVER ASSY (SEE RADIO RECEIVER ASSY )