DTC U0442:00, U0442:01, U0442:02 [MZR-CD 2.2]SM2444452
DTC U0442:00, U0442:01, U0442:02 [MZR-CD 2.2]

id0102f3851900

DTC U0442:00

DTC U0442:01

DTC U0442:02

Erratic signal from SCR control unit
DETECTION CONDITION
• PCM receives erratic signal from SCR control unit for 1 s or more.
Diagnostic support note
• The MIL does not illuminate
• The DTCs are stored in the PCM memory.
POSSIBLE CAUSE
—

Diagnostic procedure

STEP

INSPECTION

ACTION
1
—
—
Note
• This DTC is detected at the same time other malfunctions occur.
Go to the applicable DTC troubleshooting.
(See DTC TABLE [MZR-CD 2.2].)