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
7. Install a jumper wire between
793-3 Primary Steering
terminal A and terminal B of
Pressure Switch Voltage Is
connector P-C8 (WP 0012,
Above Normal - Continued
Figure 89).
8. Using digital multimeter
Resistance 5.0 Ohms or Less -
(WP 0174), measure resistance
Replace transmission ECM (WP 0266).
between connector C-C13
Proceed to Test Step 6.
(WP 0012, Figure 25) terminal 37
Resistance Greater Than 5.0 Ohms -
and ground.
Proceed to Test Step 5.
Test Step 4. Test for Open
Transmission Wiring Harness.
1. Disconnect connector P-C1
(WP 0012, Figure 53) from
connector C-C15 (WP 0012,
Figure 52).
2. Using digital multimeter
Resistance 5.0 Ohms or Less -
(WP 0174), measure resistance
Replace lower cab wiring harness
between connector P-C1
(WP 0291).
(WP 0012, Figure 53) terminal 23
Proceed to Test Step 6.
and terminal 19.
Resistance Greater Than 5.0 Ohms -
Replace transmission wiring harness
(WP 0298).
Proceed to Test Step 6.
Test Step 5. Test for Open
Transmission Wiring Harness.
1. Disconnect connector P-C1
(WP 0012, Figure 53) from
connector C-C15 (WP 0012,
Figure 52).
2. Using digital multimeter
Resistance 5.0 Ohms or Less -
(WP 0174), measure resistance
Replace lower cab wiring harness
between connector P-C1
(WP 0291).
(WP 0012, Figure 53) terminal 20
Proceed to Test Step 6.
and terminal 19.
Resistance Greater Than 5.0 Ohms -
Replace transmission wiring harness
(WP 0298).
Proceed to Test Step 6.
Test Step 6. Verify Malfunction Is
Resolved.
1. Ensure all wiring harness
connectors are connected.
2. Install transmission ECM cover
(WP 0266).
3. Install left and right lower cab
access panels (WP 0347).
0105-4
