TROUBLESHOOTING
M-21
M-21 Defective coolant tern perature sensor system
YES
1
l
Is resistance between
temperature sensor
connector (male) (1)
_
and (2) as shown in
Table l?
2yEs
- Check wiring
- harness visually.
-
NO IS it broken?
NO
Table 1
Sensor
Connector
Cause
Iefective contact of
zonnector (Note 1)
Iisconnection in wiring
larness (Note 2) (defective
:lamp) (external force
applied)
3efective sensor
Remedy
:lean connector
ir replace
ensor
leplace sensor
leplace
Note 1: If the problem occurs again, the connector (female) at the chassis end is probably defective, so check the
connector and wiring harness at the chassis end.
Note 2: Check for vibration at the connector mount. If there is excessive vibration, take the appropriate action.
20-264
0
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