TM 5-3805-298-23-1
0091
Table 1. 426 Transmission Neutralizer Pressure Sensor Diagnostic Codes - Continued.
091
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
2. Disconnect connector C-C7
426-3 Transmission
(WP 0012, Figure 59) from
Neutralizer Pressure Sensor
transmission neutralizer sensor.
Voltage Is Above Normal or
Shorted High - Continued
3. Remove left lower cab access
panels (WP 0347).
4. Remove transmission ECM cover
(WP 0266).
5. Disconnect connector C-C12
(WP 0012, Figure 26) from
Transmission ECM J1.
6. Using digital multimeter
Continuity - Replace lower cab wiring
(WP 0174), test for continuity
harness (WP 0291).
between connector C-C12
Proceed to Test Step 4.
(WP 0012, Figure 26) terminal 37
No Continuity - Proceed to Test
and all other C-C12 terminals.
Step 3.
Test Step 3. Test for Open Lower Cab
Wiring Harness.
1. Connect jumper wire between
terminal C and terminal B of
connector C-C7 (WP 0012,
Figure 59).
2. Using digital multimeter
Resistance 5.0 Ohms or Less -
(WP 0174), measure resistance
Replace neutralizer pressure sensor
between connector C-C12
(WP 0327).
(WP 0012, Figure 26) terminal 37
Proceed to Test Step 4.
and terminal 21.
Resistance Greater Than 5.0 Ohms -
Replace lower cab wiring harness
(WP 0291).
Proceed to Test Step 4.
Test Step 4. Verify Malfunction Is
Resolved.
1. Ensure all wiring harness
connectors are connected.
2. Install transmission ECM cover
(WP 0266).
3. Install left lower cab access panels
(WP 0347).
0091-3
