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Q.
Is diagnosis code No. B1354 set?
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Perform the troubleshooting of diagnosis code No. B1354: DC/DC converter
(entertainment system) control circuit .
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- Disconnect connector, and measure at harness side.
- Voltage between terminal PWR and earth.
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Q.
Is the check result normal?
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- Item 9: DC/DC converter (entertainment system) diagnostic signal
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Q.
Is the check result normal?
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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunctions ).
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NO <Failure> : Perform the troubleshooting of diagnosis code No. B1301: DC/DC converter
(entertainment system) performance malfunction (Refer to ).
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- Disconnect connector, and measure at harness side.
- Ignition switch: ON
- Voltage between terminal DCCA and earth.
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Q.
Is the check result normal?
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- Measure the voltage AS&G-ECU connector terminal.
- Ignition switch: ON
- Voltage between terminal DCCA and earth.
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Q.
Is the check result normal?
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Repair the connector(s), or check and repair of open circuit in DCCA line between
AS&G-ECU connector and DC/DC converter (entertainment system) connector.
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- Reconfirmation of the diagnosis code.
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Q.
Is the diagnosis code set?
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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunctions ).
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Q.
Is the check result normal?
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Repair the connector(s) or wiring harness.
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- Measure the voltage C-65 DC/DC converter (entertainment system)
connector terminal.
- Ignition switch: ON
- Voltage between terminal DCCA and earth.
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Q.
Is the check result normal?
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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunctions ).
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Replace the DC/DC converter (entertainment system).
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