TM 5-3805-298-23-1
0082
Table 1. 168 Powertrain Power Supply Diagnostic Codes - Continued.
082
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 3. Test Charging System.
168-4 Powertrain Power
Perform Charging System Test
Alternator Tests Good - Proceed to
Supply Voltage Is Below
(WP 0165).
Test Step 4.
Normal or Shorted Low -
Continued
Alternator Fails Testing - Replace
alternator (WP 0238).
Proceed to Test Step 12.
Test Step 4. Test ECM Ground
Connections for High Resistance or
Open.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Remove left lower cab access
panels (WP 0347).
3. Remove transmission ECM cover
(WP 0266).
4. Disconnect connector C-C12
(WP 0012, Figure 26) from
Transmission ECM J1.
5. Using digital multimeter
Resistance 5.0 Ohms or Less -
(WP 0174), measure resistance
Proceed to step 6.
between connector C-C12
Resistance Greater Than 5.0 Ohms -
(WP 0012, Figure 26) terminal 13
Proceed to Test Step 5.
and ground.
6. Using digital multimeter
Resistance 5.0 Ohms or Less -
(WP 0174), measure resistance
Proceed to Test Step 6.
between connector C-C12
Resistance Greater Than 5.0 Ohms -
(WP 0012, Figure 26) terminal 23
Replace lower cab wiring harness
and ground.
(WP 0291).
Proceed to Test Step 12.
Test Step 5. Test Lower Cab Wiring
Harness for High Resistance or
Open.
1. Remove right lower cab access
panels (WP 0347).
Dirty, Corroded, or Loose - Clean and
2. Inspect ground connections
tighten as necessary.
(WP 0012, Figure 45) terminal 1
and terminal 2 for dirt, corrosion,
Proceed to step 3.
and tightness.
No Problem Found - Replace lower
cab wiring harness (WP 0291).
Proceed to Test Step 12.
0082-3