BELT 5418235 - Caterpillar

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Locations of the secondary passive sensors (top engine view)
(9) Secondary intake manifold temperature sensor
(10) Secondary coolant temperature sensor for the engine block outlet
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Locations of the secondary passive sensors (front engine view)
(11) Secondary oil temperature sensorSchematics (Secondary ECM)
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Schematic for the secondary passive sensors if equipped with A4 ECM
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Schematic for the secondary passive sensors if equipped with A5 ECM
The sensor signal for all of the passive sensors is routed to terminal 1 of each sensor connector. The sensor return for the passive sensors is routed from the ECM terminal 2 of each sensor connector.
Table 2
Troubleshooting Test Steps Values Results
1. Check for "Active" or "Logged" Diagnostic Codes
A. Connect Caterpillar Electronic Technician (ET) to the service tool connector.
B. Restore power to the ECM.
C. Monitor the diagnostic codes on Cat ET. Check and record any diagnostic codes.
Note: Wait at least