LEVER GP 9T4917 - Caterpillar

Table 1
Diagnostic Codes Table
Description Conditions which Generate this Code System Response
E085(1) Engine Shutdown Overridden Warning The engine's Electronic Control Module (ECM) detects ground on the input for the protection override switch. If an engine derate or an engine shutdown is active, the derate or the shutdown will be overridden.
The code is logged.
E097(1) Engine Derate Overridden Warning System OperationIf full engine power is needed, the protection override switch allows the user to override an engine derate or an engine shutdown. The wires for the protection override switch are routed from the ECM to the remote junction box. The wires are then routed to a customer supplied switch.
Illustration 1 g01259011
Typical schematic
Illustration 2 g01259014
P1 ECM connector
(P1-64) Protection override switch
Illustration 3 g01234146
Location of ECM connectors
Illustration 4 g01259018
Connector "B"
(Terminal 21) Protection override switch
Illustration 5 g01259019
Connector "G"
(Terminal 26) Protection override switch
(Terminal 28) −Battery
Illustration 6 g01259021
Connector "F"
(Terminal 2) −Battery Test Step 1. Check for an "Active" Event Code
Turn the breaker for the ECM to the ON position.
Connect Caterpillar Electronic Technician (ET) to the service tool connector.
Monitor the event codes on Cat ET. Check and record any event codes. Note: Wait at least 30 seconds in order for the event codes to become