Z059 User and Installation Guide January 2010
Page 6
Troubleshooting
LEDs C1 and C2 Always Flashing
If after two minutes of searching without success the unit cannot communicate with the
vehicle. The most likely cause is incompatability with the particular vehicle model or
year.
No Taximeter Increment
Verify the wiring. Ensure the VSS line is not shorted (Green wire ).
Verify the P1 LED goes on consistantly with vehicle speed.
No LEDS On
Is the engine running?
Verify vehicle fuse to OBD connector.
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