Vauxhall Workshop Service and Repair Manuals

No.

TECH 1 Display

Conditions for Checking

Nominal Value

Trouble Codes

Terminal

06

COOLANT TEMP.

Engine running at idle speed, operating temperature

80 to 115 °C /

176 °F to 239 °'F

1.3 to 0.5 V

14, 15

45, 30

Notes on Trouble - shooting:

Nominal Value:

Cause of Fault:

·  Engine OFF, ignition ON

·   Disconnect coolant temperature sensor plug P 12

less than - 35 °CJ - 31 °F,

greater than 4.9 V

·   Short circuit between signal and ground leads in wiring harness

·   Control unit K 61 defective

·   Short - circuit both contacts in temperature sensor plug

greater than

180 °C / 356 °F,

less than 0.1 V

·   Lead interruption from

-    control unit K 61 / Ter. 45 to temperature sensor P 12 

-    control unit K 61 / Ter. 30 to temperature sensor P 12

·   Temperature sensor P 12 defective

·   Control unit K 61 defective

Test values for coolant temperature sensor:

       15 °C to 30 °C / 59 to 86 °F:        1450 to 3300 W

                           80 °C /  176 °F:            250 to 360 W