DTC B1990: Short in Front Pop Up Hood Squib RH Circuit; DTC B1991: Open in Front Pop Up Hood Squib RH Circuit; DTC B1992: Short to GND in Front Pop Up Hood Squib RH Circuit; DTC B1993: Short to B+ in Front Pop Up Hood Squib RH Circuit [12/2017 - 10/2020]: Description
The pop up hood squib RH circuit consists of the pedestrian detection ECU assembly and pop up hood lifter assembly RH.
The pedestrian detection ECU assembly uses this circuit to deploy the pop up hood when deployment conditions are met.
These DTCs are stored when a malfunction is detected in the pop up hood squib RH circuit.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Test Mode / Check Mode |
|---|---|---|---|---|---|
| B1990 | Short in Front Pop Up Hood Squib RH Circuit | One of the following conditions is met:
|
|
Comes on | Applicable |
| B1991 | Open in Front Pop Up Hood Squib RH Circuit | One of the following conditions is met:
|
|
Comes on | Applicable |
| B1992 | Short to GND in Front Pop Up Hood Squib RH Circuit | One of the following conditions is met:
|
|
Comes on | Applicable |
| B1993 | Short to B+ in Front Pop Up Hood Squib RH Circuit | One of the following conditions is met:
|
|
Comes on | Applicable |