DTC P1D64
DTC P1D64: Collision Detection Signal Circuit
General Description
The battery condition monitor module receives pulse signals of crash cutoff information from the SRS unit. If the battery condition monitor module does not receive pulse signals from the SRS unit, the battery condition monitor module detects a malfunction and stores a DTC.
Monitor Execution, Sequence, Duration, DTC Type
| Execution | Continuous |
| Sequence | None |
| Duration | 5.5 seconds or more |
| DTC Type | One drive cycle, MIL off, POWER SYSTEM indicator on, 12 VOLT CHARGING SYSTEM indicator off |
Enable Conditions
| Condition | Minimum | Maximum |
|---|---|---|
| Elapsed time since the 12 volt battery voltage reaches to a specified value after the vehicle condition is turned to the ON mode | 50 milliseconds | - |
| 12 volt battery voltage | 9.7 V | - |
Malfunction Threshold
The battery condition monitor module does not receive pulse signals from the SRS unit for at least 5.5 seconds.
Possible Cause
NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
- SRS unit CDS line open
- SRS unit CDS line short
- SRS unit failure
- Battery condition monitor module internal circuit failure
Diagnosis Details
Conditions for setting the DTC
When a malfunction is detected, the POWER SYSTEM indicator comes on and a Pending DTC, a Confirmed DTC, and the freeze data are stored in the battery condition monitor module memory. The MIL does not come on.
Conditions for clearing the DTC
The POWER SYSTEM indicator is cleared if the malfunction does not return in the next trip in which the diagnostic runs. The POWER SYSTEM indicator, the Pending DTC, the Confirmed DTC, and the freeze data can be cleared with the scan tool clear command.