TM 5-3805-298-23-1
0105
Table 1. 793 Primary Steering Oil Pressure Switch Diagnostic Codes - Continued.
0105
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
3. Disconnect connector P-C8
793-3 Primary Steering
(WP 0012, Figure 89) from primary
Pressure Switch Voltage Is
steering pressure switch
Above Normal - Continued
(WP 0012, Figure 90).
4. Using digital multimeter
Resistance 5.0 Ohms or Less -
(WP 0174), measure resistance
Proceed to step 6.
between primary steering pressure
Resistance Greater Than 5.0 Ohms -
switch (WP 0012, Figure 90)
Replace primary steering pressure
terminal A and terminal C.
switch (WP 0389).
Proceed to Test Step 6.
5. Turn battery disconnect switch ON
position and start engine
(TM 5-3805-298-10).
6. Using digital multimeter
Resistance 5.0 Ohms or Less -
(WP 0174), measure resistance
Proceed to Test Step 3.
between primary steering pressure
Resistance Greater Than 5.0 Ohms -
switch (WP 0012, Figure 90)
Replace primary steering oil pressure
terminal A and terminal B.
switch (WP 0389).
Proceed to Test Step 6.
Test Step 3. Test for Open Wiring
Harness.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Install a jumper wire between
terminal A and terminal C of
connector P-C8 (WP 0012,
Figure 89).
3. Remove left lower cab access
panels (WP 0347).
4. Remove transmission ECM cover
(WP 0266).
5. Disconnect connector C-C13
(WP 0012, Figure 25) from
Transmission ECM J2.
6. Using digital multimeter
Resistance 5.0 Ohms or Less -
(WP 0174), measure resistance
Remove jumper wire from terminal A
between connector C-C13
and terminal C of connector P-C17
(WP 0012, Figure 25) terminal 38
(WP 0012, Figure 88).
and ground.
Proceed to step 7.
Resistance Greater Than 5.0 Ohms -
Proceed to Test Step 4.
0105-3