FAN CONTROL MODULE INSPECTION [L3 Turbo]
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1. Remove the charge air cooler duct. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [L3 Turbo].)
2. Connect the M-MDS to the DLC-2.
R.H.D
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L.H.D
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3. Start and warm up the engine.
4. Monitor the engine coolant temperature with the M-MDS.
5. Measure the voltage at terminal A of the fan control module connector (2 terminals) as shown in the table.
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Fan control module No.1
|
Inspection |
Result |
||
|---|---|---|---|
|
Condition |
A/C |
Engine coolant temp. |
|
|
IG SW ON
|
OFF
|
95 °C {203 °F} or less
|
0 V (Fan stops.)
|
|
IG SW ON (Idling)
|
OFF
|
95 °C {203 °F} or less
|
0 V (Fan stops.)
|
|
IG SW ON (Idling)
|
ON*1
|
95 °C {203 °F} or less
|
4.1 V
|
|
IG SW ON (Idling)
|
ON*2
|
95 °C {203 °F} or less
|
6.2 V
|
|
IG SW ON (Idling)
|
OFF
|
100 °C {212 °F} or more
|
4.1—14.6 V
|
Fan control module No.2
|
Inspection |
Result |
||
|---|---|---|---|
|
Condition |
A/C |
Engine coolant temp. |
|
|
IG SW ON
|
OFF
|
95 °C {203 °F} or less
|
0 V (Fan stops.)
|
|
IG SW ON (Idling)
|
OFF
|
95 °C {203 °F} or less
|
0 V (Fan stops.)
|
|
IG SW ON (Idling)
|
ON*1
|
95 °C {203 °F} or less
|
5.5 V
|
|
IG SW ON (Idling)
|
ON*2
|
95 °C {203 °F} or less
|
10.3 V
|
|
IG SW ON (Idling)
|
OFF
|
100 °C {212 °F} or more
|
4.1—14.6 V
|
6. If all the above parts are normal, replace the fan control module.