TM 5-3805-296-23-1
0056
Table 1. 0190 Engine Speed Sensor Diagnostic Codes Continued.
056
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
0190-02 Engine Speed
4. Using digital multimeter
Continuity Replace main cab wiring
Sensor Erratic, Intermittent,
(WP 0540), test for continuity
harness (WP 0505).
or Incorrect Continued
between connector W-C16
Proceed to Test Step 16.
terminal 10 (WP 0012, Figure 87)
No Continuity Proceed to step 5.
and all other terminals
in connector W-C16
(WP 0012, Figure 87).
5. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C12
Proceed to Test Step 16.
terminal 40 (WP 0012, Figure 88)
No Continuity Proceed to step 6.
and all other terminals
in connector W-C12
(WP 0012, Figure 88).
6. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C12
Proceed to Test Step 16.
terminal 40 (WP 0012, Figure 88)
No Continuity Proceed to step 7.
and all terminals in connector
W-C13 (WP 0012, Figure 89).
7. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C12
Proceed to Test Step 16.
terminal 40 (WP 0012, Figure 88)
No Continuity Proceed to Test
and ground.
Step 11.
Test Step 11. Test Main Cab Wiring
Harness for High Resistance or
Open.
1. Connect jumper wire between
terminal 40 and terminal 41
of connector W-C12
(WP 0012, Figure 88).
2. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Replace transmission/chassis ECM
between connector W-C16
(WP 0495).
terminal 9 and terminal 10
Proceed to Test Step 16.
(WP 0012, Figure 87).
Resistance Greater Than 5.0 Ohms
Replace main cab wiring harness
(WP 0505).
Proceed to Test Step 16.
0056-7
