GM Service Manual Online
For 1990-2009 cars only
Table 1: Throttle Actuator Control (TAC) Module - C1
Table 2: Throttle Actuator Control (TAC) Module - C2
Table 3: Throttle Actuator Control (TAC) Motor

Throttle Actuator Control (TAC) Module - C1


Object Number: 261930  Size: CH

Connector Part Information

    • 12191065
    • 16-Way F Micro-Pack 100 Series (WH)

Pin

Wire Color

Circuit No.

Function

1

D-BU

417

TP Sensor 1 Signal

2

D-GN

485

5-Volt Reference

3

PU

486

Low Reference

4

D-BU

84

Cruise Control Set/Coast Switch Signal

5

GY/BK

87

Cruise Control Resume/Accel Switch Signal

6

OG

5371

BAS Relay Coil Supply Voltage

7

PK

239

Ignition 1 Voltage

8

BN

582

TAC Motor Control - 2

9

YE/BK

487

5-Volt Reference

10

WH

484

Low Reference

11

PK

427

TP Sensor 2 Signal

12

TN

800

UART Serial Data

13

D-BU/WH

774

UART Serial Data

14

GY

397

Cruise Control On Switch Signal

15

BK

1550

Ground

16

YE

581

TAC Motor Control - 1

Throttle Actuator Control (TAC) Module - C2


Object Number: 666638  Size: CH

Connector Part Information

    • 12186688
    • 10-Way F 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

GY

1273

Low Reference

B

PU

1272

Low Reference

C

L-BU

1162

APP Sensor 2 Signal

D

TN

1274

5-Volt Reference

E

YE/BK

1275

5-Volt Reference

F

D-BU

1161

APP Sensor 1 Signal

G

L-BU

1276

5-Volt Reference

H

--

--

Not Used

J

BN

1271

Low Reference

K

D-GN

1163

APP Sensor 3 Signal

Throttle Actuator Control (TAC) Motor


Object Number: 684799  Size: CH

Connector Part Information

    • 12077900
    • 2-Way F Metri-Pack 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

YE

581

TAC Motor Control - 1

B

BN

582

TAC Motor Control - 2