TM 10-3930-675-20-1
0037 00-2
AUXILIARY PUMP TROUBLESHOOTING - CONTINUED
0037 00
Table 1. Error Code 169 - Tophandler Emergency Function Supply Valve, Open or Short Circuit Failure
Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 169 - Tophandler Emergency
Function Supply Valve, Open or Short Circuit
Failure - Continued
4. Check continuity between
connector X158 pin 11 and
solenoid 6041 connector pin 1
and between connector X158
pin 12 and solenoid 6041
connector pin 2.
a. If continuity is not present,
repair or replace connectors
(WP 0111 00).
b. If wiring harness must be
replaced, notify SRA.
5. Disconnect connector X158.
Check continuity between
ECU (790) connector 2 pin 14
and connector X158 pin 12.
Check continuity between
ECU (790) connector 2 pin 10
and connector X159 pin 1 and
between connector X159 pin
1 and connector X158 pin 11.
a. If continuity is not present,
repair or replace connectors
(WP 0111 00).
b. If wiring harness must be
replaced, notify SRA.
6. Disconnect connector X158.
Check continuity between
ECU (790) connector 2 pin 14
and connector X158 pin 12.
Check continuity between
ECU (790) connector 2 pin 10
and connector X159 pin 1 and
between connector X159 pin
1 and connector X158 pin 11.
a. If continuity is not present,
repair or replace connectors
(WP 0111 00).
b. If wiring harness must be
replaced, notify SRA.
7. Enter “DIAG SERVO 12
(13)” menu and check voltage
of
ATTACH.
OUTPUT.
Voltage should be present
with auxiliary pump activated
and any tophandler function
activated.
If voltage is not as specified,
replace ECU (790) (WP 0079
00).
