Diagnosis Procedure
WARNING: This page is about a different variant/trim than selected.
- CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND MICROPHONE CIRCUIT
- Turn ignition switch OFF.
- Disconnect AV control unit connector and microphone connector.
- Check continuity between AV control unit harness connector and microphone harness connector.TERMINALS CONTINUITY REFERENCE CHART
AV control unit Microphone Continuity Connector Terminals Connector Terminals M210 71 R7 2 Existed 72 4 87 1 - Check continuity between AV control unit harness connector and ground.TERMINALS CONTINUITY REFERENCE CHART
AV control unit Ground Continuity Connector Terminals M210 72 Not existed 87 Is the inspection result normal?
YES: Go to 2.
NO: Repair harness or connector.
- CHECK VOLTAGE MICROPHONE VCC
- Connect AV control unit connector.
- Turn ignition switch ON.
- Check voltage between AV control unit harness connector.TERMINALS VOLTAGE REFERENCE CHART
(+) (-) Voltage (Approx.) AV control unit AV control unit Connector Terminal Connector Terminal M210 72 M210 71 5.0 V Is the inspection result normal?
YES: Go to 3.
NO: Replace AV control unit. Refer to "EXPLODED VIEW ".
- CHECK MICROPHONE SIGNAL
- Connect microphone connector.
- Check signal between AV control unit harness connector.TERMINALS SIGNAL REFERENCE CHART
(+) (-) Condition Reference value AV control unit AV control unit Connector Terminal Connector Terminal M210 87 M210 71 Give a voice. Is the inspection result normal?
YES: Replace AV control unit. Refer to "EXPLODED VIEW ".
NO: Replace microphone. Refer to "EXPLODED VIEW ".