TM 10-3930-675-24-1
ENGINE BATTERY VOLTAGE CIRCUITS TROUBLESHOOTING - CONTINUED
0025 00
Table 4. Error Code 1474 - Starter Solenoid Lockout
Relay Driver Circuit Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1474 - Starter Solenoid Lockout Relay 5. Check voltage (22V to 26V) at Open the cab distribution box to
Driver Circuit Failure - Continued.
connector X16 pin 1 (WP 0048 gain access to relay 330-1 (WP
00-31). Disconnect connector 0074 00).
X16 and turn the ignition ON.
6. Check for resistance. Remove If resistance is not as specified, or
relay 330-1 and inspect. Check relay is damaged, replace 330-1
resistance between 330-1 pins relay (WP 0074 00).
85 and 86. Should be 290 to
350 Ohms.
330-1 RELAY
85
86
7. Check for continuity. With the a. If continuity is not found at
either check, remove the relay
330-1 relay removed, check
board and inspect for damage.
continuity at the 330-1 relay
socket between pins 85 and b. Replace damaged relay board
(WP 0074 00).
XK12 pin 5, and between 86
and XK12 pin 2 (WP 0048 00-
31).
8. Inspect
connectors
for a. Clean and repair connector as
required (WP 0113 00).
damage, dirt, or corrosion.
Disconnect the 31 pin OEM b. Replace damaged ECU (794)
(WP 0079 00).
harness connector and the
actuator harness connector
from ECU (794).
0025 00-6
