Check code 55
WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
CHECK CODE 55 DIAGNOSTIC PROCEDURES
| Check code 55 | Dimmer switch ON/OFF signal | ||
|---|---|---|---|
| STEP | INSPECTION CONDITION | DISPLAY | ACTION |
| 1 | After selecting the check code 55, turn the panel light control switch toward bright until a click is heard. (Dimmer switch on) | on | Go to the next step. |
| OFF | Verify that the voltage of the instrument cluster terminal 2U is B+.
|
||
| 2 | Turn the panel light control switch toward dark until a click is heard. (Dimmer switch off) | on | Verify that the voltage of the instrument cluster terminal 2U is 1.0 V or less.
|
| OFF | Input signal to the instrument cluster is normal. | ||