Autoscanner Does Not Power Up - Actron OBD II AutoScanner CP9135 Instructions Manual

• Carefully inspect electrical connectors for:
- Corrosion or foreign debris on pins.
- Bent or damaged pins.
- Recessed contacts not seated properly
in housing.
- Bad wire crimps to terminals.
Connector problems are common in vehicles. Inspect carefully.
!
Some connectors use a special grease, called dielectric grease,
on the contacts to prevent corrosion. Do not remove. If required,
apply more grease to the connector. The grease can be obtained
from a dealership or auto parts store.

4.2 AutoScanner Does Not Power Up

• Make sure the AutoScanner's DLC is connected correctly to the
vehicle's DLC. Verify the pins are clean and fully seated in the DLC.
• The AutoScanner requires a
minimum of 8 volts between pin
16 (BAT+) and pin 4 (GND) to
power up. Use the flowchart
provided below to troubleshoot.
WARNING! Never Lay Tools On Vehicle Battery. You May Short
!
The Terminals Together Causing Harm To Yourself, The Tools
Or The Battery.
AutoScanner will not
power up.
Measure Voltage
between Pins 16 and 4.
Above 8V?
YES
Contact Actron.
T roubleshooting
battery fully
Measure resistance
between Pin 4 and
frame ground.
NO
Open exists in power
circuit. Check for a blown
fuse or an open wire. Refer
to a service manual.
PIN 16 (BAT+)
Is
NO
charged?
YES
NO
less than
5 ohms?
YES
PIN 4 (GND)
Charge battery.
Repair Ground
circuit. Refer to a
service manual.
4-2