Multec (X 12 SZ / X 16 SZ) F0: DATA LIST
| No. | TECH 1 Display | Conditions for Checking | Nominal Value | Trouble Codes | Terminal |
|---|---|---|---|---|---|
| 02 | COOLANT TEMP. | Engine running at idle speed, operating temperature | |||
| 85 to 110 °C | 14, 15 | B 12/A 11 | |||
| Trouble - shooting: | Nominal Value: | Cause of Fault: |
(If nominal value is not attained)
· Ignition OFF
Disconnect coolant temperature sensor plug P 30
Disconnect intake manifold pressure sensor plug P 23
| · Ignition ON | less than - 35 °C 4.5 to 5.5 V | · Short circuit in wiring harness |
from: coolant temperature sensor Ter. 2
to: ground
from: coolant temperature sensor Ter. 2
to: coolant temperature sensor Ter. 1
· Measure voltage:
from: wiring harness plug Ter. 1
| to: ground | 4.5 to 5.5 V | · Short circuit in wiring harness |
from: coolant temperature sensor Ter. 1
to: battery +
· Measure voltage:
from: wiring harness plug Ter. 2
| to: ground | less than 0.1 V | · Short circuit in wiring harness |
from: coolant temperature sensor Ter. 2
to: battery +
· Ignition OFF
Connect intake manifold pressure sensor plug P 23
| · Ignition ON | less than - 35° C 4.8 to 5.2 V | · Defect in intake manifold pressure sensor circuit |
· Ignition OFF.
· Bridge coolant temperature sensor (P 30):
from: wiring harness plug Ter. 1
to: wiring harness plug Ter. 2
| · Ignition ON | greater than 145° C less than | · Lead interruption |
from: coolant temperature sensor
to: control unit K 57 Ter. B 12
from: coolant temperature sensor
to: control unit K 57 Ter. A 11
· Control unit defective
| If nominal values attained | · Coolant temperature sensor defective |