TM 5-3805-296-23-2
0100
Table 1. 0821 Display Power Supply Diagnostic Codes Continued.
0100
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
6. Disconnect connector P-C19
0821-03 Display Power
(WP 0012, Figure 270) from
Supply Voltage Above
speedometer/tachometer display
Normal Continued
module.
7. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-296-10).
821-3 Display Power Supply Voltage
8. At MSD, check for active
Above Normal Becomes Inactive
diagnostic code 821-3 Display
Replace speedometer/tachometer
Power Supply Voltage Above
display module (WP 0506).
Normal (WP 0008).
Proceed to Test Step 5.
821-3 Display Power Supply Voltage
Above Normal Remains Active
Proceed to Test Step 2.
Test Step 2. Check For Shorted Quad
Gauge Display Module.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
2. Disconnect connector P-C13
(WP 0012, Figure 268) from quad
gauge display module.
3. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-296-10).
821-3 Display Power Supply Voltage
4. At MSD, check for active
Above Normal Becomes Inactive
diagnostic code 821-3 Display
Replace quad gauge display module
Power Supply Voltage Above
(WP 0506).
Normal (WP 0008).
Proceed to Test Step 5.
821-3 Display Power Supply Voltage
Above Normal Remains Active
Proceed to Test Step 3.
0100-5
