|
No.
|
TECH 1 Display
|
Conditions for
Checking
|
Nominal Value
|
Trouble Codes
|
Terminal
|
|
04
|
INTAKE AIR TEMP.
|
Engine running at idle speed,
operating temperature
|
22 to 64 °C/
72 to 148 °F
2.19 to 3.12 V
|
69,71
|
D
3/A 11
|
|
Trouble-shooting:
|
Nominal Value:
|
Cause of
Fault:
(If nominal
value is not attained)
|
|
· Ignition OFF
· Disconnect intake air
temperature sensor plug P 29
· Disconnect coolant
temperature sensor plug P 30
· Disconnect intake
manifold pressure sensor plug P 23
· Ignition ON
|
less than -35
°C/-95 °F
greater than
4,9 V
|
· Short circuit in wiring
harness
from: intake air temperature sensor Ter. B
to: ground
or
from: intake air temperature sensor Ter. A
to: intake air temperature sensor Ter. B
|
|
· Ignition OFF
· Connect coolant
temperature sensor plug P 30
· Ignition ON
|
less than -35
°C/-95 °F
greater than
4,9 V
|
· Coolant temperature
sensor P 30 defective
|
|
· Ignition OFF
· Connect intake manifold
pressure sensor plug P 23
· Ignition ON
|
|
· Intake manifold pressure
sensor P 23 defective
|
|
· Ignition OFF
· Bridge intake air
temperature sensor plug P 29:
from: wiring harness plug Ter. A
to: wiring harness plug Ter. B
· Ignition ON
|
greater than
145 °C/
293 °F
less than
0,1V
|
· Lead interruption
from: intake air temperature sensor Ter. B
to: control unit K 57/K 91 Ter. D 3
or
from: intake air temperature sensor Ter. A
to: control unit K 57/K 91 Ter. A 11
· Control unit defective
|
|
|
If nominal values are attained
|
· Intake air temperature sensor P 29
defective
|
|
|
|
|
|
|
|
|
