Code No. C2320
Radar failure
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Before replacing the ECU,
ensure that the power supply circuit, the earth circuit and the communication circuit are normal.
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CHECK CONDITION
When all of the conditions below are satisfied:
- Ignition switch is in the ON position.
- BSW-ECU (slave) system voltage is at 9-16 V.
DIAGNOSTIC FUNCTION AND JUDGEMENT CRITERIA
The BSW-ECU (slave) sets diagnosis code No.C2320 when the ECU detects any of the followings.
- Out of radar detection range
- Error or malfunction in the software or the hardware
- The indicator drive circuit in the door mirror assembly fails
PROBABLE CAUSE
Malfunction of BSW-ECU (slave)
DIAGNOSIS PROCEDURE
Check whether the diagnosis code is set again.
Check again if the diagnosis code is set in the BSW-ECU (slave).
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(1)Erase the diagnosis code.
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(2)Turn the ignition switch from the LOCK (OFF) position to the ON position.
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(3)Check if the diagnosis code is set.
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Q.
Is the diagnosis code set?
Replace the BSW-ECU (slave).
Intermittent malfunction is suspected (Refer to GROUP 00 - How to Use
Troubleshooting/Inspection Service Points - How to cope with Intermittent Malfunction).