SSANGYONG Y200 Manual page 1251

5A-156 AUTOMATIC TRANSMISSION
Circuit Description
The solenoid 7 is a normally open ON/OFF type sole-
noid that is used to control the application of the
Torque Converter Clutch (TCC).
The Solenoid 7 (S7) ON activates the TCC and is at-
tached to the pump body within the transmission. Volt-
age is supplied directly to the solenoid through the
Transmission Control Module (TCM).
The DTC P1747 sets when the solenoid 7, Torque
Converter Clutch Solenoid, circuit is shorted to ground.
The solenoid 7's driver Integrated Chip (IC) status
indicates a faulty circuit.
Conditions for Setting the DTC
•
DTCs P1717 and P1718 are not set.
•
S7 is ON.
•
The solenoid 7's driver Integrated Chip (IC) status
indicates a faulty circuit. This condition must be
continuously present for 60 milliseconds.
Action Taken When the DTC Sets
•
The solenoid 7 is always disabled (OFF) resulting
in the TCC being unlocked continuously.
Conditions for Clearing the DTC
•
The DTC will clear when the malfunction has not
occurred after ignition cycle.
DIAGNOSTIC TROUBLE CODE (DTC) P1747
SOLENOID 7 CIRCUIT SHORT
•
A history DTC will clear after 40 TCM power-up
cycles with a warm transmission (>50 ° C) and
without a fault.
•
History DTCs can be cleared by using a scan tool.
Diagnostic Aids
•
During the TCM's testing, solenoid 7 is turned OFF/
ON by a very small (4 millisecond) pulses. This
pulse is too short for the solenoid to react so the
transmission operation is not affected.
•
The solenoid feedback voltage is measured before
the (4 millisecond) pulse and again during the
pulse. If the difference is outside the acceptable
limits the relevant fault is recorded.
•
Typical causes would be a short circuit to ground
in the wiring to or within the solenoid.
•
If several faults of solenoids are present, check
the wiring or connectors that are common to the
selected solenoids, especially the earth
connections.
•
Inspect the wiring for poor electrical connections
at the TCM and at the 10-way transmission
connector. Look for possible bent, backed out,
deformed or damaged terminals. Check for weak
terminal tension as well. Also check for chafed wires
that could short tobare metal or other wiring. Inspect
for broken wire inside the insulation.
YAD5A070
SSANGYONG Y200