Home/Pontiac/Firebird/Pontiac Firebird III (1982-1992)/Repair manual/Diagnosis - Torque Converter Clutch/Problem in Electronic Control Module

Contents

Section: Diagnosis - Torque Converter Clutch

DESCRIPTION

TCC CONTROL COMPONENTS

Brake Switch

Coolant Temperature Sensor

Electronic Control Module (ECM)

TCC Solenoid Assembly

Throttle Position Sensor (TPS)

Vacuum Sensor

Vehicle Speed Sensor (VSS)

3rd & 4th Gear Switch

TROUBLE SHOOTING

Problem in Electronic Control Module

Electrical Problems

Valve Body Assembly

Oil Pump Assembly

CONVERTER CLUTCH APPLY SLIPPING, ROUGH OR SHUDDERS

CONVERTER CLUTCH DOES NOT RELEASE

DIAGNOSTIC TOOLS

RETRIEVING TROUBLE CODES

Entering ECM Diagnostic Mode

CLEARING TROUBLE CODES

ENTERING SERVICE (DIAGNOSTIC) MODE

Reatta & Riviera

Toronado

DATA DISPLAYS

INPUT DISPLAYS

OUTPUT DISPLAYS

TCC DIAGNOSTIC CHARTS

CHART C-8, TORQUE CONVERTER CLUTCH - CARBURETED PASSENGER CARS (1 AND 2 OF 3)

Diagnostic Aids

CHART C-8, TORQUE CONVERTER CLUTCH - CARBURETED PASSENGER CARS (3 OF 3)

CODE 24, VEHICLE SPEED SENSOR - CARBURETED PASSENGER CARS

CHART C-8, TORQUE CONVERTER CLUTCH 2.0L & 2.5L TBI - A, J, N & P BODIES

CODE 24, VEHICLE SPEED SENSOR 2.0L & 2.5L TBI - A, J & N BODIES (WITH PM GENERATOR)

CODE 24, VEHICLE SPEED SENSOR 2.5L TBI - A BODY (WITH IN-DASH SPEED SENSOR)

CODE 24, VEHICLE SPEED SENSOR 2.5L TBI - P BODY

CHART C-1A, PARK/NEUTRAL SWITCH 2.0L & 2.5L TBI - A, J, N & P BODIES

CHART C-8, TORQUE CONVERTER CLUTCH 2.0L (VIN 1) TBI - J & L BODIES

CODE 24, VEHICLE SPEED SENSOR 2.0L (VIN 1) TBI - J BODY

CODE 24, VEHICLE SPEED SENSOR 2.0L (VIN 1) TBI - L BODY

CHART C-1A, PARK/NEUTRAL SWITCH 2.0L (VIN 1) TBI - J & L BODIES

CHART C-8, TORQUE CONVERTER CLUTCH 4.3L & 5.0L (VIN E) TBI B, F & G BODIES (1 OF 2)

CHART C-8, TORQUE CONVERTER CLUTCH 4.3L & 5.0L (VIN E) TBI B, F & G BODIES (2 OF 2)

CODE 24, VEHICLE SPEED SENSOR 4.3L TBI - B & G BODIES

CODE 24, VEHICLE SPEED SENSOR 5.0L (VIN E) TBI - F BODY

CHART C-1A, PARK/NEUTRAL SWITCH 4.3L & 5.0L (VIN E) TBI - B, F & G BODIES

CHART C-8, TORQUE CONVERTER CLUTCH 2.0L PFI - J & N BODIES

CODE 24, VEHICLE SPEED SENSOR 2.0L PFI - J & N BODIES

CHART C-1A, PARK/NEUTRAL SWITCH 2.0L PFI - J & N BODIES

CHART C-8, TORQUE CONVERTER CLUTCH 2.3L PFI - N BODY

CODE 24, VEHICLE SPEED SENSOR 2.3L PFI - N BODY

CHART C-1A, PARK/NEUTRAL SWITCH 2.3L PFI - N BODY

CHART C-8, TORQUE CONVERTER CLUTCH 2.8L PFI - A, J, L & P BODIES

CHART C-8, TORQUE CONVERTER CLUTCH 2.8L PFI A & W BODIES WITH 440-T4 (1 OF 2)

CHART C-8, TORQUE CONVERTER CLUTCH 2.8L PFI A & W BODIES WITH 440-T4 (2 OF 2)

CHART C-8, TORQUE CONVERTER CLUTCH 2.8L, 5.0L & 5.7L PFI - F BODY (1 OF 2)

CHART C-8, TORQUE CONVERTER CLUTCH 2.8L, 5.0L & 5.7L PFI - F BODY (2 OF 2)

CHART C-8, TORQUE CONVERTER CLUTCH 5.7L PFI - Y BODY (1 OF 2)

CHART C-8, TORQUE CONVERTER CLUTCH 5.7L PFI - Y BODY (2 OF 2)

CODE 24, VEHICLE SPEED SENSOR 2.8L, 5.0L & 5.7L PFI A, F, J, P & Y BODIES

CODE 24, VEHICLE SPEED SENSOR 2.8L PFI - L & W BODIES

CHART C-1A, PARK/NEUTRAL SWITCH 2.8L, 5.0L & 5.7L PFI A, F, J, L, P, W & Y BODIES

CHART C-1, ECM QUAD-DRIVER CHECK 2.8L PFI - F & P BODIES

CHART C-8, TORQUE CONVERTER CLUTCH 3.0L PFI - N BODY

CHART C-8, TORQUE CONVERTER CLUTCH 3.8L PFI - A, C & H BODIES (1 OF 2)

CHART C-8, TORQUE CONVERTER CLUTCH 3.8L PFI - A, C & H BODIES (2 OF 2)

CHART C-8, TORQUE CONVERTER CLUTCH 3.8L PFI (TURBO) - G BODY

CODE 24, VEHICLE SPEED SENSOR 3.0L & 3.8L PFI - A, C, G & H BODIES

CHART C-1A, PARK/NEUTRAL SWITCH 3.0L & 3.8L PFI - A, C, G & H BODIES

CHART C-8, TORQUE CONVERTER CLUTCH 3.8L "3800" PFI BONNEVILLE, ELECTRA & NINETY-EIGHT (1 OF 2)

CHART C-8, TORQUE CONVERTER CLUTCH 3.8L "3800" PFI BONNEVILLE, ELECTRA & NINETY-EIGHT (2 OF 2)

CODE 24, VEHICLE SPEED SENSOR 3.8L "3800" PFI BONNEVILLE, ELECTRA & NINETY-EIGHT

CODE 31, PARK/NEUTRAL SWITCH 3.8L "3800" PFI BONNEVILLE, ELECTRA & NINETY-EIGHT

CHART C-8, TORQUE CONVERTER CLUTCH 3.8L "3800" PFI REATTA, RIVIERA & TORONADO

CODE EO24, VEHICLE SPEED SENSOR 3.8L "3800" PFI REATTA, RIVIERA & TORONADO

CODE EO27, EO28, & EO29 2ND, 3RD & 4TH GEAR SWITCH 3.8L "3800" PFI REATTA, RIVIERA & TORONADO

CODE EO31, PARK/NEUTRAL SWITCH 3.8L "3800" PFI REATTA, RIVIERA & TORONADO

CODE EO38, BRAKE SWITCH 3.8L "3800" PFI REATTA, RIVIERA & TORONADO

CODE EO39, TORQUE CONVERTER CLUTCH 3.8L "3800" PFI REATTA, RIVIERA & TORONADO

CODE B124, VEHICLE SPEED SENSOR 3.8L "3800" PFI REATTA, RIVIERA & TORONADO

Note On Intermittents

CODE B127, GEAR SELECTOR SWITCH 3.8L "3800" PFI - TORONADO

Circuit Description

Test Description

All sections

Problem in Electronic Control Module Pontiac Firebird III

Diagnosis - Torque Converter Clutch

Problem in Electronic Control Module

Verify Electronic Control Module (ECM) operation. See appropriate CHART C-8 in this article.