DTC C2320 Radar failure
caution
Before replacing the ECU, ensure that the power supply circuit, the ground circuit and the communication circuit are normal.
CHECK CONDITION
When all of the conditions below are satisfied:
Electric motor switch is in the ON position.
BSW-ECU (slave) system voltage is at 9-16 volts.
DIAGNOSTIC FUNCTION AND TROUBLE JUDGMENT
The BSW-ECU (slave) sets DTC 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
TROUBLESHOOTING HINTS
Malfunction of BSW-ECU (slave)
DIAGNOSIS
Using scan tool (M.U.T.-IIISE), read the BSW-ECU (slave) DTC again.
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