TM 10-3930-675-20-1
0016 00-7
INPUT AND OUTPUT SIGNALS FOR STEERING ECU (792) TROUBLESHOOTING - CONTINUED
0016 00
Table 11. Error Code 418 - 2WD Steering Selection Switch, Circuit Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 418 - 2WD Steering Selection Switch,
Circuit Failure - Continued
5. Check continuity between
connector X160 pin 13 and
connector X177 pin 13.
a. If continuity between pins,
repair or replace connectors
(WP 0111 00).
b. If continuity (short) to chassis,
repair or replace connectors
(WP 0111 00).
c. If continuity is present, notify
SRA.
6. Check continuity between
connector X177 pin 13 and
steering ECU (792) connector
pin 47.
a. If continuity between pins,
repair or replace connectors
(WP 0111 00).
b. If continuity (short) to chassis,
repair or replace connectors
(WP 0111 00).
c. If continuity is present, notify
SRA.
Table 12. Error Code 419 - 4WD Steering Selection Switch, Circuit Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 419 - 4WD Steering Selection Switch,
Circuit Failure
1. Check
voltage
at
4WD
steering
selection
switch
connector 137 pin 5. Voltage
should be 22-26V.
If voltage is not as specified,
check wires 1529B and 1529C
for damage. Repair or replace
connectors (WP 0111 00).
2. Check
voltage
at
4WD
steering
selection
switch
connector 137 pin 1. Voltage
should be 22-26V with switch
activated and 0V with switch
not activated.
If voltage is not as specified,
replace 4WD steering selection
switch (WP 0131 00 and WP 0072
00).
3. Check continuity between
4WD steering selection switch
connector 137 pin 1 and
connector X153 pin 14.
a. If continuity between pins,
repair or replace connectors
(WP 0111 00).
b. If continuity (short) to chassis,
repair or replace connectors
(WP 0111 00).
c. If continuity is present, notify
SRA.
4. Check continuity between
connector X153 pin 14 and
connector X160 pin 14.
a. If continuity between pins,
repair or replace connectors
(WP 0111 00).
b. If continuity (short) to chassis,
repair or replace connectors
(WP 0111 00).
c. If continuity is present, notify
SRA.
