Mazda 3 manuals

Mazda 3 Service Manual: Judder Upon Torque Converter Clutch (TCC) Operation [Fw6 A EL]

Mazda 3 Service Manual / Drivetrain / Transmission/Transaxle / Automatic / Judder Upon Torque Converter Clutch (TCC) Operation [Fw6 A EL]


TROUBLESHOOTING ITEM

Judder upon torque converter clutch (TCC) operation

DESCRIPTION

  • Vehicle jolts when TCC is engaged.

POSSIBLE CAUSE

  • Signal malfunction

    • APP sensor malfunction

    • CKP sensor malfunction

  • Poor GND

  • Torque converter malfunction


CAUTION:

Related PIDs


Monitor item (Definition)

Unit/Condition

Condition/Specification (Reference)

APP

%

  • Accelerator pedal released: approx. 0 %

  • Accelerator pedal depressed: approx. 100 %

RPM

RPM

  • Displays the engine speed


Diagnostic procedure

STEP

INSPECTION

ACTION

1

VERIFY MALFUNCTION SYMPTOM

  • Is the malfunction symptom at the same level compared to a vehicle of the same model?

Yes

Symptom troubleshooting is completed.

No

Go to the next step.

2

INSPECT SIGNAL PARTS FOR MALFUNCTION

  • Inspect the value at the following PCM PIDs using the M-MDS.

    (See ON-BOARD DIAGNOSTIC TEST [SKYACTIV-G 2.0].)

    • APP (APP sensor)

    • RPM (CKP sensor)

  • Is there any malfunction?

Yes

Repair or replace any malfunctioning parts according to the inspection result.

No

Go to the next step.

3

VERIFY IF MALFUNCTION CAUSE IS TCM GND OR TORQUE CONVERTER

  • Switch the ignition to off.

  • Disconnect the TCM connector.

  • Visually inspect for pin deformity, open circuit, or wiring harness non-insulation between TCM terminal 1B and body GND.

  • Is there any malfunction?

Yes

Repair or replace any malfunctioning parts according to the inspection result.

No

Replace the automatic transaxle.

(See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [FW6A-EL].)


Joint Shaft Assembly [Mzr 2.5 (ATX)]
1. Assemble in the order indicated in the table. 1 Bracket 2 Bearing . 3 Dust seal (RH) . 4 ...

Key Interlock System Inspection
Key Interlock System Inspection 1. Switch the ignition to ON. 2. Perform the following procedures to inspect the key interlock system. If there is any malfunction, inspect the key interlock ...

Other materials:

Console Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Upper panel. b. Shift knob (MTX). c. Selector lever knob (ATX). d. Shift panel. e. Side wall. 3. Remove the bolts. 4. Remove the screws. 5. Pull the console in the direction of the arrow shown in t ...

Child-Restraint System Installation
Child-Restraint System Types In this owner's manual, explanation of child-restraint systems is provided for the following three types of popular childrestraint systems: infant seat, child seat, booster seat. NOTE Installation position is determined by the type of child-restraint system. ...

Air Intake Actuator Removal/Installation [Full Auto Air Conditioner]
1. Set the air intake mode to FRESH. 2. Disconnect the negative battery cable.. 3. Remove the following parts: a. Front scuff plate (Passenger-side). b. Front side trim (Passenger-side). c. Dashboard under cover. d. Glove compartment. e. Lower panel (Passenger-side). f. Shower duct ( ...

2016-2022 Copyright www.mazda3tech.com