TM 5-3805-296-23-2
0079
Table 1. 1289 Cushion Hitch Solenoid Valve Diagnostic Codes Continued.
079
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
DIAGNOSTIC CODE SET CONDITION
1289-05 Cushion Hitch
Transmission/Chassis ECM Detects Below Normal Current on Cushion Hitch
Solenoid Current Below
Normal Continued
Solenoid Circuit A519.
POSSIBLE CAUSE
Cushion Hitch Wiring Harness High Resistance or Open.
Transmission Wiring Harness High Resistance or Open.
Chassis Wiring Harness High Resistance or Open.
Main Cab Wiring Harness High Resistance or Open.
Hydraulic Oil Temperature High Resistance or Open.
Cushion Hitch Solenoid.
Transmission/Chassis ECM.
Test Step 1. Test for Open Cushion
Hitch Solenoid.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
2. Disconnect connector C-C2
(WP 0012, Figure 127) from
cushion hitch solenoid connector
(WP 0012, Figure 126).
3. Connect jumper wire between
terminal 1 and terminal 2
of connector C-C2
(WP 0012, Figure 127).
4. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-296-10).
1289-6 Cushion Hitch Solenoid
5. At MSD, check for active
Current Above Normal Becomes
diagnostic code 1289-5 Cushion
Active Replace cushion hitch
Hitch Solenoid Current Below
solenoid (WP 0406).
Normal (WP 0008).
Proceed to Test Step 6.
1289-5 Cushion Hitch Solenoid
Current Below Normal Remains
Active Proceed to Test Step 2.
Test Step 2. Test Cushion Hitch
Wiring Harness for High Resistance
or Open.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
2. Do not remove jumper wire from
terminal 1 and terminal 2
of connector C-C2
(WP 0012, Figure 127).
0079-5
