SEAL 7X5392 - Caterpillar

System Operation Description:Before you test the ether injection system, remove the ether canister from the system.Use this procedure to troubleshoot any suspect problems with the ether injection system.This procedure covers the following diagnostic codes:
2417-05 Ether Injection Control Solenoid current low
2417-06 Ether Injection Control Solenoid current highThe ether injection system is used to improve cold weather starting of the engine. The Electronic Control Module (ECM) controls the ether injection system during the start cycle. The ether injection system has two modes of operation:Automatic mode - In the automatic mode, if the engine coolant temperature is below 0 °C (32 °F) and the engine speed is zero rpm, the ether injection system is actuated by the ECM. Ether is injected continuously until the engine starts (50 rpm below low idle). Ether will continue to be injected for a short duration after engine starting that is dependent on ambient conditions.Manual mode - In the manual mode, the ECM energizes the ether solenoid for a single shot of ether.Manual mode is activated by pressing the ether starting aid switch. A short burst of ether is injected when the ether starting aid switch is pressed. In the manual mode, the ether injection system can be enabled if all of the following conditions are met:
The ether starting aid switch is pressed.
The intake manifold air temperature is less than 0 °C (32 °F).
There are no active diagnostic codes for both the engine coolant temperature sensor and the intake manifold air temperature sensor.If a problem is suspected with the ether starting aid switch, refer to Troubleshooting, "Switch Circuits - Test".Test Mode - A test mode is available in Caterpillar Electronic Technician (ET). The test mode allows the technician to activate the ether system. The test is functional when the engine speed is zero rpm. The ether injection solenoid is activated for a ten second duration when the test is activated. The test can be found in the "Override Parameters" screen in Cat ET.
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Schematic of the ether injection system
Test Step 1. Inspect the Electrical Connectors and the Wiring
Remove electrical power from the ECM.
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Engine view (typical example)
(1) J1/P1 ECM connectors
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Engine view (typical example)
(2) P61 customer connector
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Ether starting aid group (typical example)
(3) Ether injection solenoid
Thoroughly inspect connectors (1) and (2). Also, thoroughly inspect the connectors for solenoid (3). Refer to the diagnostic functional test Troubleshooting, "Electrical Connectors - Inspect".
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P1 terminals for the ether injection system
(P1-10) Ether injection solenoid
(P1-22) Override switch
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P61 terminals for the ether injection system
(22) Ether injection solenoid
(38) Override switch
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Terminal locations at the harness connector for the ether solenoid
(1) Ether injection solenoid
(2) Chassis ground
Perform a 45 N (10 lb) pull test on each of the wires in the ECM connector that are associated with the ether injection system.
Check the allen head screw on each ECM connector for the proper torque. Also check the allen head screw on the customer connector for the proper torque. Refer to Troubleshooting, "Electrical Connectors - Inspect" for the correct torque values.
Check the harness and the wiring