Inspection Procedure
- INSPECT RADIO RECEIVER
- Disconnect the radio receiver connectors.
- Measure the resistance according to the value(s) in the table below.
Resistance
TERMINALS RESISTANCE SPECIFICATIONTester Connection Condition Specified Condition ATX+ (R2-5) - ATX- (R2-15) Always 60 to 80 Ω TX+ (R3-9) - TX- (R3-10) Always 60 to 80 Ω TX+ (R4-9) - TX- (R4-10) Always 60 to 80 Ω Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE RADIO RECEIVER
OK: Go to next step
- CHECK HARNESS AND CONNECTOR
HINT:
For details of the connectors, refer to "TERMINALS OF ECU " ).
- Referring to the AVC-LAN wiring diagram below, check all AVC-LAN circuits.
- Check for an open or short in all AVC-LAN circuits.
OK: There is no open or short circuit.
- Check for an open or short in all AVC-LAN circuits.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: RETURN TO THE ORIGINAL INSPECTION FLOW BECAUSE THE CHECK RESULT IS NORMAL
- Referring to the AVC-LAN wiring diagram below, check all AVC-LAN circuits.