P0237 is set when BPS output voltage is lower than minimum value (200mV) for more than 2 sec.. This code is due to 1) open in power circuit or 2) short to ground in signal circuit.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Voltage monitoring | 1. BPS circuit 2. BPS | ||
Enable Conditions |
•
IG key ON | |||
Threshold Value |
•
Output voltage is lower than minimum value (200mV). - Open in power circuit. - Short to ground in signal circuit. | |||
Diagnostic Time |
•
2 sec. | |||
Fail Safe | Fuel cut | NO |
•
- | |
EGR Off | YES | |||
Fuel Limit | YES | |||
Check Lamp | ON | |||
