PINPOINT TEST AG : No Power To The DLC
- AG1 CHECK THE DLC PINS FOR DAMAGE
- Ignition OFF.
- Disconnect the scan tool cable from the DLC.
- Inspect DLC pins 4, 5 and 16 for damage.
Are DLC pins 4, 5 and 16 OK?
Yes GO to AG2. No REPAIR the DLC as necessary. - AG2 CHECK THE DLC VOLTAGE SUPPLY FOR AN OPEN
- Measure:
Positive Lead Measurement / Action Negative Lead C251-16 Ground
Is the voltage greater than 11 volts?
Yes GO to AG3. No VERIFY the BCM fuse 24 (15A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the OEM ELECTRICAL WIRING DIAGRAM INTRODUCTION to identify the possible causes of the circuit short. - Measure:
- AG3 CHECK THE DLC GROUND CIRCUITS FOR AN OPEN
- Disconnect: Negative Battery Cable.
Are the resistances less than 3 ohms?
Yes REPAIR the scan tool. CONNECT the negative battery cable. No REPAIR the circuit in question. CONNECT the negative battery cable.

