TM 10-3930-675-20-1
0016 00-2
INPUT AND OUTPUT SIGNALS FOR STEERING ECU (792) TROUBLESHOOTING - CONTINUED
0016 00
Table 2. Error Code 404 - Short Circuit Failure of 2WD Steering Control Lamp Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 404 - Short Circuit Failure of 2WD
Steering Control Lamp
1. Check voltage at connector
X153 pin 1. Voltage should
be 22-26V.
If voltage is not as specified,
notify SRA to replace wire 1531.
2. Check voltage at connector
X160 pin 1. Voltage should
be 22-26V.
If voltage is not as specified,
notify SRA to replace wire
A1531.
3. Check voltage at connector
X177 pin 1. Voltage should
be 22-26V.
If voltage is not as specified,
notify SRA to replace wire 1601.
4. Check voltage at steering
ECU (792) connector pin 68.
Voltage should be 22-26V.
a. If voltage is not as specified,
notify SRA to replace wire
A1771.
b. If voltage is not present,
replace steering ECU (792)
(WP 0079 00).
Table 3. Error Code 405 - Short Circuit Failure of 4WD Steering Control Lamp Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 405 - Short Circuit Failure of 4WD
Steering Control Lamp
1. Check voltage at connector
X153 pin 2. Voltage should
be 22-26V.
If voltage is not as specified,
notify SRA to replace wire 1532.
2. Check voltage at connector
X160 pin 2. Voltage should
be 22-26V.
If voltage is not as specified,
notify SRA to replace wire
A1532.
3. Check voltage at connector
X177 pin 2. Voltage should
be 22-26V.
If voltage is not as specified,
notify SRA to replace wire 1602.
4. Check voltage at steering
ECU (792) connector pin 67.
Voltage should be 22-26V.
a. If voltage is not as specified,
notify SRA to replace wire
A1772.
b. If voltage is not present,
replace steering ECU (792)
(WP 0079 00).
