5645440 BELLOWS AS Caterpillar parts
Rating:
Alternative (cross code) number:
CA5645440
564-5440
5645440
CA5645440
564-5440
5645440
Information:
The Electronic Control Module (ECM) detects the following conditions:
The ECM has been powered for 3 seconds.
No 0262 diagnostic codes are active.
The setting for the upper diagnostic limit has been exceeded for 1 second.
On an engine with an analog throttle, the signal voltage from the position sensor is more than 4.75 Volts DC.
On an engine with a digital (PWM) throttle, the signal voltage from the position sensor is more than 95 percent or 1050 Hz.System Response:The ECM will log the diagnostic code. The diagnostic code may be viewed on the electronic service tool.The ECM will return the engine to low idle or to a safe speed while the diagnostic code is active.Possible Performance Effect:Throttle inputs are ignored by the ECM until the fault is repaired.Throttle inputs will also be ignored by the ECM until the keyswitch has been turned to the OFF position and then back to the ON position.The engine will default to the limp home mode.If a second throttle is installed, the engine will use the second throttle until the fault is repaired.Troubleshooting:Monitor the configuration screen on the electronic service tool in order to determine the type of throttle position sensor that is used on the engine.If the engine is equipped with an analog throttle position sensor, proceed to “Test Step 1”.If the engine is equipped with a digital (PWM) throttle position sensor, proceed to “Test Step 2”.Test Step 1. Perform the following diagnostic procedure: "Analog Throttle Position Sensor Circuit - Test"Results:
OK - STOPTest Step 2. Perform the following diagnostic procedure: "Digital Throttle Position Sensor Circuit - Test"Results:
OK - STOP
The ECM has been powered for 3 seconds.
No 0262 diagnostic codes are active.
The setting for the upper diagnostic limit has been exceeded for 1 second.
On an engine with an analog throttle, the signal voltage from the position sensor is more than 4.75 Volts DC.
On an engine with a digital (PWM) throttle, the signal voltage from the position sensor is more than 95 percent or 1050 Hz.System Response:The ECM will log the diagnostic code. The diagnostic code may be viewed on the electronic service tool.The ECM will return the engine to low idle or to a safe speed while the diagnostic code is active.Possible Performance Effect:Throttle inputs are ignored by the ECM until the fault is repaired.Throttle inputs will also be ignored by the ECM until the keyswitch has been turned to the OFF position and then back to the ON position.The engine will default to the limp home mode.If a second throttle is installed, the engine will use the second throttle until the fault is repaired.Troubleshooting:Monitor the configuration screen on the electronic service tool in order to determine the type of throttle position sensor that is used on the engine.If the engine is equipped with an analog throttle position sensor, proceed to “Test Step 1”.If the engine is equipped with a digital (PWM) throttle position sensor, proceed to “Test Step 2”.Test Step 1. Perform the following diagnostic procedure: "Analog Throttle Position Sensor Circuit - Test"Results:
OK - STOPTest Step 2. Perform the following diagnostic procedure: "Digital Throttle Position Sensor Circuit - Test"Results:
OK - STOP
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