|
No.
|
TECH 1 Display
|
Conditions for
Checking
|
Nominal Value
|
Trouble Codes
|
Terminal
|
|
|
08
|
COOLANT TEMP.
|
Engine running at idle speed, operating temperature
|
80 to 110 °C / 176 to 230 °F
1.5 to 0.8 V
|
14, 15
|
5, 19
|
|
|
Note: TECH 1 checks
the temperature value of coolant temperature sensor P30 at Ter. 5 of the
control unit. The voltage value is also displayed.
|
|
Notes on Trouble - shooting:
|
Nominal Value:
|
Cause of Fault:
|
|
|
· Engine
Off, ignition On.
Disconnect plug from
coolant temperature sensor P30
|
lower than - 35 °C / - 31 °F
greater than 4.9 V
|
· Short
circuit between signal and ground leads in wiring harness
· Control
unit K69 defective
|
|
|
· Short -
circuit both contacts in coolant temperature sensor using adapter lead from
Electronic - Kit I KM - 609
|
greater than 180 °C / 356 °F
lower than 0.1 V
|
· Lead
interruption from
- control unit
K69 / Ter. 5 to coolant temperature sensor P30 / Ter. 1
- coolant
temperature sensor plug P30 / Ter. 2 to ground
· Control
unit defective
|
|
|
Nominal values are attained
Checking values for coolant temperature sensor:
|
3.3 - 1.5 kW
at
+ 10 °C / 50 °F to
+ 30 °C / 86 °F
300 - 360 W
at
+ 80 °C / l76 °F
|
· Coolant
temperature sensor P30 defective
|
|
|
|
|
|
|
|
|
|
|
