TM 5-3805-296-23-2
0084
Table 1. 1429 Tractor System Air Pressure Sensor Diagnostic Codes Continued.
084
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 4. Test Main Cab Wiring
1429-03 Tractor System Air
Harness for High Resistance or
Pressure Sensor Voltage
Open.
Above Normal Continued
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
2. Connect jumper wire between
terminal C and terminal B of
connector W-C21
(WP 0012, Figure 75).
3. Disconnect connector W-C12
(WP 0012, Figure 88) from
transmission/chassis ECM.
4. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Replace transmission/chassis ECM
between connector W-C12
(WP 0495).
terminal 12 and terminal 52
Proceed to Test Step 5.
(WP 0012, Figure 88).
Resistance Greater Than 5.0 Ohms
Replace main cab wiring harness
(WP 0505).
Proceed to Test Step 5.
Test Step 5. Verify Malfunction is
Resolved.
1. Ensure all harness connectors are
connected.
2. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-296-10).
3. At MSD, check for active
1429-3 Tractor System Air Pressure
diagnostic codes (WP 0008).
Sensor Voltage Above Normal
Becomes Inactive Troubleshooting
complete.
1429-3 Tractor System Air Pressure
Sensor Voltage Above Normal
Remains Active Repeat
troubleshooting from the beginning.
0084-4