Mazda Protege 5. Manual — part 86

ON-BOARD DIAGNOSTIC [CRUISE CONTROL SYSTEM]

01–02C–9

01–02C

Note

•

When two or more DTCs are indicated, inspect the malfunction with the smallest number first.

End Of Sie

DTC 01

A3U010266350W10

Diagnostic procedure

13

Cruise control switch (Ground circuit)

15

Cruise control module

DTC

Output pattern

Diagnosed circuit

DTC 01

Cruise actuator

DETECTION

CONDITION

•

Voltages detected at terminal A, B or C are not approximately 12 V.

POSSIBLE

CAUSE

•

Cruise control module malfunction

•

Cruise actuator malfunction

•

Open circuit in wiring harness between cruise control module and cruise actuator

•

Open circuit in wiring harness between cruise actuator and brake switch

•

Open circuit in wiring harness between cruise control module and brake switch

STEP

INSPECTION

ACTION

1

INSPECT WIRING HARNESS BETWEEN
CRUISE CONTROL MODULE AND CRUISE
ACTUATOR FOR CONTINUITY

•

Are wiring harnesses between cruise control
module and cruise actuator okay?

Yes

Go to next step.

No

Repair wiring harness.
(Cruise control module—Cruise actuator)

2

INSPECT POWER SUPPLY LINE OF CRUISE
ACTUATOR

•

Disconnect cruise actuator connector.

•

Turn ignition switch to ON position.

•

Turn cruise control main switch on.

•

Is voltage at terminal B of cruise actuator
connector approximately 12 V?

Yes

Go to Step 6.

No

Go to next step.

3

INSPECT WIRING HARNESS BETWEEN
BRAKE SWITCH AND CRUISE ACTUATOR
FOR CONTINUITY

•

Is voltage at terminal 2B of brake switch
connector approximately 12 V?

Yes

Repair wiring harness. (Cruise actuator—Brake switch)

No

Go to next step.

4

INSPECT BRAKE SWITCH

•

Is voltage at terminal 2A of brake switch
connector approximately 12 V?

Yes

Replace brake switch.
(See 04–11–5 BRAKE PEDAL REMOVAL/INSTALLATION)

No

Go to next step.

5

INSPECT CRUISE CONTROL MODULE

•

Remove passenger-side front side trim.
(See 09–17–13 FRONT SIDE TRIM
REMOVAL/INSTALLATION)

•

Is voltage at terminal H of cruise control
module connector approximately 12 V?

Yes

Repair wiring harness.
(Cruise control module—Brake switch)

No

Replace cruise control module.
(See 01–20–2 CRUISE CONTROL MODULE REMOVAL/
INSTALLATION)

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ON-BOARD DIAGNOSTIC [CRUISE CONTROL SYSTEM]

01–02C–10

End Of Sie

DTC 05

A3U010266350W11

Diagnostic procedure

End Of Sie

DTC 07

A3U010266350W12

6

INSPECT CRUISE ACTUATOR

•

Connect cruise actuator connector.

•

Turn ignition switch to ON position.

•

Turn cruise control main switch on.

•

Is voltage at terminal D of cruise actuator
connector approximately 12 V?

Yes

Go to next step.

No

Replace cruise actuator.
(See 01–20–4 CRUISE ACTUATOR REMOVAL/
INSTALLATION)

7

INSPECT CRUISE ACTUATOR

•

Is voltage at terminal A of cruise actuator
connector approximately 12 V?

Yes

Go to next step.

No

Replace cruise actuator.
(See 01–20–4 CRUISE ACTUATOR REMOVAL/
INSTALLATION)

8

INSPECT CRUISE ACTUATOR

•

Is voltage at terminal C of cruise actuator
connector approximately 12 V?

Yes

Replace cruise control module.
(See 01–20–2 CRUISE CONTROL MODULE REMOVAL/
INSTALLATION)

No

Replace cruise actuator.
(See 01–20–4 CRUISE ACTUATOR REMOVAL/
INSTALLATION)

STEP

INSPECTION

ACTION

DTC 05

Brake switch

DETECTION

CONDITION

•

Voltage detected at terminal K is always approximately 0 V.

POSSIBLE

CAUSE

•

Cruise control module malfunction

INSPECTION

ACTION

•

Was operation mode performed?

Yes

Perform operation mode on-board diagnostic again. Even if
no malfunctions are detected in operation mode, if DTC 05
is indicated in condition detection mode on-board
diagnostic, replace cruise control module.
(See 01–20–2 CRUISE CONTROL MODULE REMOVAL/
INSTALLATION)

No

Perform operation mode.

DTC 07

Brake switch

DETECTION

CONDITION

•

Voltage detected at terminal K or M is always approximately 12 V.

•

Voltage detected at terminal M is always approximately 0 V.

POSSIBLE

CAUSE

•

Cruise control module malfunction

•

Brake switch malfunction

•

Open circuit in wiring harness between cruise control module and brake switch

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ON-BOARD DIAGNOSTIC [CRUISE CONTROL SYSTEM]

01–02C–11

01–02C

Diagnostic procedure

End Of Sie

DTC 11

A3U010266350W13

Diagnostic procedure

End Of Sie

DTC 12

A3U010266350W14

Diagnostic procedure

End Of Sie

STEP

INSPECTION

ACTION

1

•

Disconnect brake switch connector.

•

Is there continuity between terminal 1A and
1B of brake switch?

Yes

Replace brake switch.
(See 04–11–5 BRAKE PEDAL REMOVAL/INSTALLATION)

No

Go to next step.

2

•

Remove passenger-side front side trim.
(See 09–17–13 FRONT SIDE TRIM
REMOVAL/INSTALLATION)

•

Turn ignition switch to ON position.

•

Turn cruise control main switch on.

•

Depress brake pedal.

•

Is voltage at terminal M of cruise control
module connector approximately 0 V?

Yes

Repair wiring harness.
(Cruise control module—Brake switch)

No

Replace cruise control module.
(See 01–20–2 CRUISE CONTROL MODULE REMOVAL/
INSTALLATION)

DTC 11

Cruise control switch (set/coast switch)

DETECTION

CONDITION

•

Resistance detected between terminal L and ground is always approximately 198 ohms.

POSSIBLE

CAUSE

•

Cruise control module malfunction

INSPECTION

ACTION

•

Was operation mode performed?

Yes

Perform operation mode on-board diagnostic again. Even if
no malfunctions are detected in operation mode, if DTC 11
is indicated in condition detection mode on-board
diagnostic, replace cruise control module.
(See 01–20–2 CRUISE CONTROL MODULE REMOVAL/
INSTALLATION)

No

Perform operation mode.

DTC 12

Cruise control switch (resume/accel switch)

DETECTION

CONDITION

•

Resistance detected between terminal L and ground is always approximately 68 ohms.

POSSIBLE

CAUSE

•

Cruise control module malfunction

INSPECTION

ACTION

•

Was operation mode performed?

Yes

Perform operation mode on-board diagnostic again. Even if
no malfunctions are detected in operation mode, if DTC 12
is indicated in condition detection mode on-board
diagnostic, replace cruise control module.
(See 01–20–2 CRUISE CONTROL MODULE REMOVAL/
INSTALLATION

No

Perform operation mode.

1712-1U-01G(01-02C).fm 11 ページ ２００１年６月２９日 金曜日 午前９時２６分

ON-BOARD DIAGNOSTIC [CRUISE CONTROL SYSTEM]

01–02C–12

DTC 13

A3U010266350W15

Diagnostic procedure

End Of Sie

DTC 15

A3U010266350W16

Diagnostic procedure

End Of Sie

DTC 13

Cruise control switch (ground circuit)

DETECTION

CONDITION

•

Resistance detected between terminal L and ground is always approximately 0 ohm.

POSSIBLE

CAUSE

•

Cruise control module malfunction

INSPECTION

ACTION

•

Was operation mode performed?

Yes

Perform operation mode on-board diagnostic again. Even if
no malfunctions are detected in operation mode, if DTC 13
is indicated in condition detection mode on-board
diagnostic, replace cruise control module.
(See 01–20–2 CRUISE CONTROL MODULE REMOVAL/
INSTALLATION)

No

Perform operation mode.

DTC 15

Cruise control module

DETECTION

CONDITION

•

Malfunction in cruise control module circuit

POSSIBLE

CAUSE

•

Cruise control module malfunction

ACTION

Replace cruise control module.
(See 01–20–2 CRUISE CONTROL MODULE REMOVAL/INSTALLATION)

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