992G Wheel Loader and 854G Wheel Dozer Power Train Power Train Electronic Control Pinout Specifications Caterpillar

Power Train Electronic Control Pinout Specifications

992G Wheel Loader and 854G <BR>Wheel Dozer Power Train [SENR1345]

ELECTRICAL AND STARTING SYSTEM

ELECTRONICS GP-POWER TRAIN

992G Wheel Loader and 854G Wheel Dozer Power Train Power Train Electronic Control Pinout Specifications

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Illustration 1	g00291779
Transmission Control (1) Connector J1. (2) Connector J2.

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Illustration 2	g00291780
Transmission Control Connector

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Table 1
40-Pin Connector J1
Connector Pin	Function
1	+ 24 Volt ECM (Electronic Control Module) Supply (Key ON)
2	Ground
3	AVS Data Link -
4	Reduced Rimpull Indicator Lamp ⁽¹⁾ Unused ⁽²⁾
5	Ground
6	+ 24 Volt ECM (Electronic Control Module) Supply (Key ON)
7	Solenoid Return
8	Start Relay
9	AVS Data Link +
10	Autolube Solenoid ⁽³⁾
11	Number 2 Clutch Solenoid (Forward)
13	STIC Neutral Switch
14	STIC Reverse Switch
15	Torque Converter Output Speed Return
16	Switch and Sensor Return
17	Number 1 Clutch Solenoid (Reverse)
18	Ride Control Solenoid ⁽¹⁾ Unused ⁽³⁾
19	STIC Upshift Switch (N.C.)
20	Steering and Transmission Lock Switch 1 (N.O.)
21	Ride Control Switch 1 ⁽¹⁾ Unused ⁽³⁾
22	Ride Control Switch 2 ⁽¹⁾ Unused ⁽³⁾
23	STIC Upshift Switch (N.O.)
24	Steering and Transmission Lock Switch 2 (N.C.)
25	STIC Downshift Switch 1 (N.C.)
26	STIC Downshift Switch 2 (N.O.)
27	Parking Brake Switch 1 (N.C.)
29	Quickshift Switch 1 (N.C.)
30	STIC Forward Switch
31	Quickshift Switch 2 (N.O.)
32	Torque Converter Lockup Switch ⁽⁴⁾
33	Reduced Rimpull Switch (Hi) ⁽¹⁾ ⁽²⁾
34	Reduced Rimpull On/Off Switch ⁽¹⁾ Unused ⁽³⁾
35	Reduced Rimpull Switch (Med Hi) ⁽¹⁾ ⁽²⁾
36	Parking Brake Switch 2 (N.O.)
37	Parking Brake Pressure Switch 1 (N.C.)
38	Autolube Level (Open = Empty) ⁽¹⁾ ⁽²⁾
39	Parking Brake Pressure Switch 2 (N.O.)
40	Key Start Switch To Battery +

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^( 1 )	992G Wheel Loader
^( 2 )	854G Wheel Dozer
^( 3 )	AZX and A4W serial numbers only
^( 4 )	Attachment on 992G. Standard on 854G.

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Table 2
40-Pin Connector J2
Connector Pin	Function
1	Number 4 Clutch Solenoid Second Speed
3	Solenoid Return
4	Left Service Brake Pedal Position Sensor
5	Autolube Pressure Sensor ⁽¹⁾
6	Reduced Rimpull Selector Switch (Lo) ⁽²⁾ Unused ⁽³⁾
7	Number 3 Clutch Solenoid Third Speed
8	Number 5 Clutch Solenoid First Speed
9	Sensor Power Supply + 10 Volts
10	Reduced Rimpull Selector Switch (Med Lo) ⁽²⁾ Unused ⁽³⁾
11	Impeller Clutch Pressure ⁽²⁾ ⁽¹⁾
12	Sensor Power Supply + 8 Volts ⁽¹⁾
13	Lockup Clutch Solenoid
18	Autolube Level (Ground = Empty) ⁽²⁾ ⁽¹⁾
19	Impeller Clutch Solenoid
23	Engine Speed Return ⁽¹⁾
24	Transmission Output Speed Return
29	Engine Speed Sensor ⁽¹⁾
35	Transmission Output Speed Sensor
37	Backup Alarm
38	Torque Converter Output Speed Sensor