Vauxhall Workshop Service and Repair Manuals

No.

TECH 1 Display

Conditions for Checking

Nominal Value

Trouble Codes

Terminal

01

CHECK LIGHT

Ignition ON

ON      0 V

System

telltale is on

-

9, 10

Ignition OFF

Disconnect TECH 1

Ignition ON

System telltale is on for approx. 4 s after ignition ON, then off

Note:

During diagnosis with TECH 1, the system telltale does not extinguish.

When TECH 1 is disconnected, the telltale only extinguishes after about 4 s if the control unit does not recognize a fault in the system.