DESCRIPTION These DTCs are stored when a malfunction occurs in the CAN communication circuit. |
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area | |
U010087 | Lost Communication With ECM/PCM "A" Missing Message |
Stereo
component equalizer assembly detects CAN communication malfunction in
engine system for 1 second or more continuously, 3 seconds or more after
engine switch is turned on (IG)* |
CAN communication system | |
U012987 | Lost Communication With Brake System Control Module Missing Message |
Stereo
component equalizer assembly detects CAN communication malfunction in
brake system for 1 second or more continuously, 3 seconds or more after
engine switch is turned on (IG)* | CAN communication system | |
U014087 | Lost Communication with Body Control Module Missing Message |
Stereo
component equalizer assembly detects CAN communication malfunction in
main body ECU for 3 seconds or more continuously, 3 seconds or more
after engine switch is turned on (IG)* |
CAN communication system | HINT:
*: Malfunction monitoring is not performed under the following conditions, in order to prevent erroneous detection.
- After engine switch is turned on (ACC) for 3 seconds or more.
- After the battery voltage returns to normal for 3 seconds.
- Before 3 seconds have elapsed after battery voltage has returned to normal.
PROCEDURE (a) Clear the DTCs. Body Electrical > Active Noise Control > Clear DTCs
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NEXT |
 | |
(a) Check for DTCs. Body Electrical > Active Noise Control > Trouble Codes
OK: DTC U010087, U012987 and U014087 are not output
HINT:
- If CAN communication system malfunction DTCs are output, they may also be output for other systems.
- If the CAN communication system has been checked and repaired in other
systems, the DTC will not be output after rechecking for DTCs.
- If the DTC is output frequently, duplicate the conditions that cause a
malfunction and perform the check again, even though the DTC was not
output after rechecking for DTCs.
Click here 
| OK |
 | USE SIMULATION METHOD TO CHECK |
| NG |
| GO TO CAN COMMUNICATION SYSTEM | |
