4-80
2005 Buell Firebolt: Fuel System
HOME
TROUBLE CODE 36
4.26
GENERAL
Cooling Fan High Voltage
This code occurs when the engine is running and the ECM
has commanded the fan on, and the voltage remains high at
pin 6 of ECM connector [11] (gray connector).
NOTE
An engine temperature (ET) sensor signal, indicating a cylin-
der head temperature above 428° F (220° C), causes the
ECM to command the fan on. When ignition is OFF, fan runs
at approximately half speed. See
Table 4-29. Cooling Fan
Specifications
.
This code can also set if fan blade does not spin (blocked fan
blade) when fan is commanded on and battery voltage is
applied to fan.
Cooling Fan Low Voltage
This code will set when the ignition key is ON and the ECM
does not sense voltage at pin 6 of ECM terminal 11 (gray
connector).
DIAGNOSTICS
Diagnostic Notes
The reference numbers below correlate with the circled num-
bers on the Code 36 flow charts.
1.
Use HARNESS CONNECTOR TEST KIT (Part No. HD-
41404), gray pin probes and patch cord.
2.
Connect BREAKOUT BOX (Part No. HD-42682) to ECM.
See
4.6 BREAKOUT BOX
.
Table 4-29. Cooling Fan Specifications
FAN ON
FAN OFF
Key ON
220° C (428° F)
180° C (356° F)
Key OFF
170° C (338° F)
150° C (302° F)
Figure 4-56. Cooling Fan
8465
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