TRANSMISSION CLUTCH CIRCUIT TROUBLESHOOTING - CONTINUED
Table 3. Error Code 715 - Clutch K1 Open Circuit Failure Troubleshooting Procedures.
TEST OR INSPECTION
Error Code 715 - Clutch K1 Open Circuit Failure.
1. Check resistance. Disconnect
If resistance is not as specified,
connector X172 located in the
move the cab to the transport
middle panel behind the
position (TM 10-3930-675-10)
and remove the transmission
front access cover (WP 0142 00).
connector X172 between pins
Resistance should be 18 to 29
If resistance is not as specified or
and inspect connector 827
the 827 connector is damaged,
located on the top of the
replace the transmission (WP
transmission. Check resistance
at the mounted part of
connector 827 between pins 3
Resistance should be 18 to 20
3. Inspect the 827 connector and
If continuity is not present in
pins for damage and proper
either wire or connector 827 is
damaged, replace engine and
of wires 1723 and 1727 (WP
transmission wiring harness (WP
4. Check connector, pins, and a. Repair or replace damaged
wires. Disconnect ECU (793).
connector (WP 0113 00).
Check the connector and ECU b. Replace damaged ECU (793)
pins 12, 13, and 32 for damage.
(WP 0080 00).
Check continuity of wires c. Replace open, damaged, or
A1723, A1727A, and A1727B