TM 5-2410-241-23-1
0020
Table 1. Powertrain Troubleshooting Procedures - Continued.
0020
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2122-2 Reverse Switch Data
20. Using a digital multimeter (WP
1.
If continuity is NOT found, proceed
Erratic, Intermittent, or
0296), test for continuity between
to step 21.
Incorrect - Continued
pin 33 on powertrain ECM connec- 2.
If continuity is found, replace
tor X-C2 (WP 0018, Figure 4) and
steering control harness (WP
all other pins in powertrain ECM
0178). Ensure all harness connec-
connector X-C3 (WP 0018, Figure
tors are reconnected. Verify cor-
3).
rect operation of machine (TM 5-
2410-241-10).
21. Using a digital multimeter (WP
1.
If continuity is NOT found, proceed
0296), test for continuity between
to step 22.
pin 34 on powertrain ECM connec- 2.
If continuity is found, replace
tor X-C2 (WP 0018, Figure 4) and
steering control harness (WP
all other pins in powertrain ECM
0178). Ensure all harness connec-
connector X-C2 (WP 0018,
tors are reconnected. Verify cor-
Figure 4).
rect operation of machine (TM 5-
2410-241-10).
22. Using a digital multimeter (WP
1.
If continuity is NOT found, proceed
0296), test for continuity between
to step 23.
pin 34 on powertrain ECM connec- 2.
If continuity is found, replace
tor X-C2 (WP 0018, Figure 4) and
steering control harness (WP
all other pins in powertrain ECM
0178). Ensure all harness connec-
connector X-C3 (WP 0018,
tors are reconnected. Verify cor-
Figure 3).
rect operation of machine (TM 5-
2410-241-10).
23. Using a digital multimeter (WP
1.
If continuity is found, replace pow-
0296), test for continuity between
ertrain ECM (WP 0175). Ensure all
pin 13 on powertrain ECM connec-
harness connectors are recon-
tor X-C2 (WP 0018, Figure 4) and
nected. Verify correct operation of
pin C on steering harness reverse
machine (TM 5-2410-241-10).
switch connector X-C5 (WP 0018, 2.
If continuity is found, replace
Figure 76).
steering control harness (WP
0178). Ensure all harness connec-
tors are reconnected. Verify cor-
rect operation of machine (TM 5-
2410-241-10).
2122-7 Reverse Switch
1. Connect MSD (WP 0016), select
1. If active 2122-7 code is present,
Mechanical System Not
Powertrain D7 ECM, and check for
proceed to step 4.
Responding
Diagnostic Codes or Event Codes
2. If active 2122-7 code is NOT pres-
ent, proceed to step 2.
2. Position transmission control han-
dle in REVERSE (TM 5-2410-241-
10).
3. Check for Diagnostic Codes (WP
1. If active 2122-7 code is present,
proceed to step 4.
2. If no active codes are present, the
problem does NOT exist at this
time. Resume normal operation.