Dtc P0741 / P0742 Tcc Circuit Performance Or Stuck Off / Tcc Circuit Stuck - Suzuki GRAND VITARA Owner's Manual

5A-54 Automatic Transmission/Transaxle:
DTC Troubleshooting
Step
1 Was "A/T System Check" performed?
2 Check input shaft speed sensor circuit
1) Disconnect TCM connectors with ignition switch OFF.
2) Check for proper connection to input shaft speed sensor
at "E93-5" and "E93-14" terminals.
3) If OK, check resistance of sensor circuit.
Resistance of input shaft speed sensor circuit
Between terminals "E93-5" and "E93-14" of
disconnected harness side TCM connector: 560 –
680 Ω at 20 °C (68 °F)
Between terminals "E93-14" of disconnected
harness side TCM connector and ground: No
continuity
Are check results satisfactory?
3 Inspection output shaft speed sensor
Inspect input shaft speed sensor referring to "Output Shaft
Speed Sensor Inspection: ".
Is check result satisfactory?
4 Check visually Output shaft speed sensor and sensor
rotor using mirror for following
• No damage
• No foreign material attached
• Correct installation
Are they in good condition?
DTC P0741 / P0742 TCC Circuit Performance or Stuck OFF / TCC Circuit Stuck ON
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
DTC P0741:
When driving vehicle in "D" range, difference in revolution
between engine and A/T input (input shaft speed) is lager than
specification although TCM commanded TCC pressure control
solenoid to turn ON. (2 driving cycle detection logic)
DTC P0742:
When driving vehicle in "D" range, difference in revolution
between engine and A/T input (input shaft speed) is smaller than
specification although TCM commanded TCC pressure control
solenoid to turn OFF. (2 driving cycle detection logic)
Action
I2RH01510023-01
Yes
Go to Step 2.
Go to Step 4.
Output shaft speed
sensor circuit is
malfunction.
Intermittent trouble.
Check for intermittent
trouble referring to
"Intermittent and Poor
Connection Inspection:
in Section 00".
Trouble Area
• Mechanical malfunction of TCC pressure control
solenoid valve.
• Malfunction of valve body assembly.
• Fluid passage clogged or leaking.
• Torque converter clutch malfunction.
No
Go to "A/T System
Check: ".
Go to Step 3.
Go to Step 4.
Clean, repair or replace.
S5JB0A5104033