SUB BATTERY SYSTEM, Diagnostic DTC:B22F0
| DTC Code | DTC Name |
|---|---|
| B22F0 | Sub Battery Module Backup Relay Stuck Close |
DESCRIPTION
When a malfunction is detected in the backup relay, a malfunction signal (RD12) is sent from the backup relay ECU and this DTC is output from the sub-battery module assembly.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Memory |
|---|---|---|---|---|---|
| B22F0 | Sub Battery Module Backup Relay Stuck Close | This DTC is stored when the backup relay is stuck closed continuously for 2 seconds. (1 trip detection logic) |
Backup relay | Comes on | DTC stored |
Tech Tips
The details of a DTC can be checked by using the DTC Sub Code of the freeze frame data that was recorded when the DTC was output.
| DTC Sub Code | Detail |
|---|---|
| "36" | Backup relay is stuck closed (backup relay is constantly on) |
CAUTION / NOTICE / HINT
Tech Tips
Read freeze frame data using the GTS. Freeze frame data records the sub-battery module assembly condition when malfunctions are detected.
