Transmission Control Systems
TROUBLE CODE 24 - DUTY SOLENOID CCONTENT OF DIAGNOSIS:
Output signal circuit Of duty solenoid C is open or shorted.
TROUBLE SYMPTOM:
Excessive "braking" in tight corners
1. CHECK SIGNAL VOLTAGE OUTPUT EMITTED FROM TCU.
1) Install spare fuse on FWD switch and set in FWD mode.
2) Turn ignition switch ON (with engine OFF).
3) Move select lever to "D".
4) Measure voltage output emitted from TCU (with accelerator pedal released).
(Connector) terminal: Specified voltage
(B33) No.3 - No.10: 8 - 14 V
5) Turn ignition switch OFF.
6) Remove spare fuse from FWD switch.
7) Turn ignition switch ON (with engine OFF).
8) Move select lever to "D."
9) Measure voltage output emitted from TCU (with accelerator pedal fully depressed).
(Connector) terminal: Specified voltage
(B33) No.3 - No.10: 0.5 V, max.
SELECT MONITOR FUNCTION MODE
Mode: 13
Condition: Ignition switch ON (Engine OFF)
Specified data: 4WDTY F13
95% (FWD mode)
25%, max. (4WD mode, D-range, Full throttle)
2. CHECK HARNESS BETWEEN TCU AND DUTY SOLENOID C.
1) Disconnect connector from TCU.
2) Disconnect connnector from transmission.
3) Measure resistance between TCU connector and transmission connector.
(Connector) terminal: Specified resistance
(B33) No.3 - (B16) No.11: 0 Ohms
(B33) No. 3 - Body: 1 M Ohm min.
(B33) No.10 - (B16) No.4: 0 Ohms
(B33) No.10 - Body: 1 M Ohm min.
3. CHECK DUTY SOLENOID C'S GROUND LINE.
1) Disconnect connector from transmission.
2) Measure resistance between transmission connector receptacle and transmission case.
(Connector) terminal: Specified resistance
(E19) No.4 - Transmission: 1 Ohm max.
4. CHECK DUTY SOLENOID C.
1) Disconnect connector from transmission.
2) Measure resistance between transmission connector receptacle's terminals.
(Connector) terminal: Specified resistance
(E19) No.11 - No.4: 9 - 15 Ohms