Daewoo Nubira. Manual - part 76

CRUISE CONRTOL SYSTEM  9U – 3

DAEWOO V–121 BL4

CRUISE CONTROL SYSTEM (AUTOMATIC TRANSAXLE)

(2 OF 2)

9U – 4

I

CRUISE CONRTOL SYSTEM

DAEWOO V–121 BL4

CRUISE CONTROL SYSTEM (MANUAL TRANSAXLE) (1

OF 2)

CRUISE CONRTOL SYSTEM  9U – 5

DAEWOO V–121 BL4

CRUISE CONTROL SYSTEM (MANUAL TRANSAXLE) (2

OF 2)

9U – 6

I

CRUISE CONRTOL SYSTEM

DAEWOO V–121 BL4

DIAGNOSIS

CRUISE CONTROL DIAGNOSIS

Test Description
The number(s) below refer to step(s) on the diagnostic
table.

5.

This test is performed because the electromagnetic
clutch in the cruise control actuator is grounded
through the brake lamps.

Cruise Control Does Not Operate

Step

Action

Value(s)

Yes

No

1

Visually inspect the cruise control system and verify
the following conditions:

S

  The electrical connector is correctly attached to

the cruise control actuator.

S

  The actuator and the bracket are not loose.

S

  The cable is not bent or kinked.

S

  The cable adjuster is correctly attached to its

bracket.

S

  The cable and bushing are correctly attached

to the accelerator assembly.

S

  The cable is properly adjusted.

Are all of the above conditions verified?

Go to Step 3

Go to Step 2

2

Make repairs to the components of the cruise control
system that were observed to be faulty in Step 1.
Is the repair complete?

System OK

3

1.  Connect a scan tool to the data link connector

(DLC).

2.  Check for engine control diagnostic trouble

codes (DTCs).

Is a vehicle speed sensor (VSS)DTCorDTC722 or
DTC723 present?

Go to Step 5

Go to Step 4

4

Diagnose and repair the cause of theDTCs.
Is the cruise control still inoperative?

Go to Step 5

System OK

5

Observe the brake lamps when the brakes are ap-
plied.
Do the brake lamps turn on when the brakes are ap-
plied and turn off when the brakes are not applied?

Go to Step 7

Go to Step 6

6

Repair the brake lamp system.
Does the cruise control operate after the brake lamp
system has been repaired?

System OK

Go to Step 7

7

Check fuses F5 andF8.
Is a fuse blown?

Go to Step 9

Go to Step 8

8

1.  Check for a short circuit and repair it, if neces-

sary.

2.  Replace any blown fuses.

Is the repair complete?

System OK

9

1.  Turn the ignition ON.
2.  Check the voltage at fuses F5 and F8.

Is the specified voltage available at fuses F5 andF8?

11–14 v

Go to Step 11

Go to Step 10

10

Repair the power supply to the fuse(s).
Is the repair complete?

System OK