Mazda Protege 5. Manual - part 85

ON-BOARD DIAGNOSTIC [CRUISE CONTROL SYSTEM]

01–02C–5

01–02C

Diagnostic procedure

End Of Sie

STEP

INSPECTION

ACTION

1

VERIFY WHICH MALFUNCTION IS, ONE 
BRAKE SWITCH CIRCUIT OR ANOTHER

•

Does brake light illuminate when brake pedal 
depressed?

Yes

Go to Step 6.

No

Go to next step.

2

INSPECT STOP 15 A FUSE FOR FUSION

•

Is STOP 15 A fuse okay?

Yes

Go to next step.

No

Replace fuse after inspecting and repairing wiring harness.

3

INSPECT WIRING HARNESS BETWEEN 
STOP 15 A FUSE AND BRAKE SWITCH FOR 
CONTINUITY

•

Depress brake pedal.

•

Is voltage at terminal 1B of brake switch 
connector approximately 12 V?

Yes

Go to Step 5.

No

Go to next step.

4

INSPECT WIRING HARNESS BETWEEN 
STOP 15 A FUSE AND BRAKE SWITCH FOR 
CONTINUITY

•

Is voltage at terminal 1A of brake switch 
connector approximately 12 V?

Yes

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

No

Repair wiring harness.
(STOP 15 A fuse—Brake switch)

5

INSPECT WIRING HARNESS BETWEEN 
BRAKE SWITCH AND CRUISE CONTROL 
MODULE FOR CONTINUITY

•

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

•

Depress brake pedal.

•

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

Yes

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

No

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

6

INSPECT WIRING HARNESS BETWEEN 
BRAKE SWITCH AND CRUISE CONTROL 
MODULE FOR CONTINUITY

•

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

•

Depress brake pedal.

•

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

Yes

Go to next step.

No

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

7

INSPECT BRAKE SWITCH

•

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

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

No

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

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ON-BOARD DIAGNOSTIC [CRUISE CONTROL SYSTEM]

01–02C–6

DTC 35

A3U010266350W07

Diagnostic procedure

DTC 35

Clutch switch (ATX: transaxle range switch)

DETECTION 

CONDITION

•

Voltage detected at terminal J is not approximately 0 V.

POSSIBLE 

CAUSE

•

Cruise control module malfunction

•

Clutch switch malfunction (ATX: transaxle range switch)

•

Open circuit in wiring harness between clutch switch (ATX: transaxle range switch) and ground

•

Open circuit in wiring harness between clutch switch (ATX: transaxle range switch) and cruise control 
module

STEP

INSPECTION

ACTION

1

•

Does vehicle has MTX?

Yes

Go to next step.

No

Go to Step 6.

2

•

Inspect clutch switch.
(See 01–40A–41 CLUTCH SWITCH 
INSPECTION [ZM])
(See 01–40B–42 CLUTCH SWITCH 
INSPECTION [FS])

•

Is clutch switch okay?

Yes

Go to next step.

No

Replace clutch switch.
(See 05–10–5 CLUTCH PEDAL REMOVAL/
INSTALLATION)

3

INSPECT WIRING HARNESS BETWEEN 
CLUTCH SWITCH AND GROUND FOR 
CONTINUITY

•

Disconnect clutch switch connector.

•

Is there continuity between terminal E of 
clutch switch connector and ground?

Yes

Go to next step.

No

Repair wiring harness. (Clutch switch—GND)

4

INSPECT WIRING HARNESS BETWEEN 
CLUTCH SWITCH AND CRUISE CONTROL 
MODULE FOR CONTINUITY

•

Turn ignition switch to ON position.

•

Turn cruise control main switch on.

•

Keep clutch pedal released.

•

Is voltage at terminal C of clutch switch 
connector approximately 12 V?

Yes

Replace cruise control module.
(See 01–20–2 CRUISE CONTROL MODULE 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 J of cruise control 
module connector approximately 12 V?

Yes

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

No

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

6

•

Inspect transaxle range switch.
(See 05–17–20 TRANSAXLE RANGE (TR) 
SWITCH INSPECTION)

•

Is transaxle range switch okay?

Yes

Go to next step.

No

Replace transaxle range switch.
(See 05–17–20 TRANSAXLE RANGE (TR) SWITCH 
REMOVAL/INSTALLATION)

7

INSPECT WIRING HARNESS BETWEEN 
TRANSAXLE RANGE SWITCH AND GROUND 
FOR CONTINUITY

•

Disconnect transaxle range switch 
connector.

•

Is there continuity between terminal B of 
transaxle range switch connector and 
ground?

Yes

Go to next step.

No

Repair wiring harness. (Transaxle range switch—GND)

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ON-BOARD DIAGNOSTIC [CRUISE CONTROL SYSTEM]

01–02C–7

01–02C

End Of Sie

DTC 37

A3U010266350W08

Diagnostic procedure

End Of Sie

8

INSPECT WIRING HARNESS BETWEEN 
TRANSAXLE RANGE SWITCH AND CRUISE 
CONTROL MODULE FOR CONTINUITY

•

Turn ignition switch to ON position.

•

Turn cruise control main switch on.

•

Shift selector lever to D or R range.

•

Is voltage at terminal H of transaxle range 
switch connector approximately 12 V?

Yes

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

No

Go to next step.

9

INSPECT CRUISE CONTROL MODULE

•

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

•

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

Yes

Repair wiring harness. (Cruise control module—Transaxle 
range switch)

No

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

STEP

INSPECTION

ACTION

DTC 37

Vehicle speed sensor

DETECTION 

CONDITION

•

Voltage detected at terminal N does not alternate between 0 V and 5 V.

POSSIBLE 

CAUSE

•

Cruise control module malfunction

•

Instrument cluster malfunction

•

Open circuit in wiring harness between instrument cluster and cruise control module

STEP

INSPECTION

ACTION

1

INSPECT WIRING HARNESS BETWEEN 
INSTRUMENT CLUSTER AND CRUISE 
CONTROL MODULE FOR CONTINUITY

•

Remove instrument cluster.
(See 09–22–3 INSTRUMENT CLUSTER 
REMOVAL/INSTALLATION)

•

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

•

Disconnect cruise control module connector.

•

Is there continuity between terminal N of 
cruise control module connector and terminal 
3T of instrument cluster connector?

Yes

Go to next step.

No

Repair wiring harness.
(Cruise control module—instrument cluster)

2

INSPECT VEHICLE SPEED SIGNAL

•

Turn ignition switch to ON position.

•

Turn cruise control main switch on.

•

Rotate front tires.

•

Does voltage at terminal 3T of instrument 
cluster connector alternate between 0 V 
and 5 V?

Yes

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

No

Replace instrument cluster.
(See 09–22–3 INSTRUMENT CLUSTER REMOVAL/
INSTALLATION)

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ON-BOARD DIAGNOSTIC [CRUISE CONTROL SYSTEM]

01–02C–8

INSPECTION OF DTCS FOR CONDITION DETECTION MODE

A3U010266350W09

Using The Cruise Set Indicator Light

Note

•

If the RESUME/ACCEL switch on the cruise control switch is malfunctioning, the cruise set indicator light 
will not give a correct indication when you inspect the system. Use the SST (WDS or equivalent) to 
determine the cause of the malfunction.

1. Drive the vehicle at over 16 km/h {10 mph}.
2. Operate each of the cruise control switches.
3. Stop the vehicle and let it idle.
4. The following steps to activate the detection mode.

(1) Turn on the cruise control main switch.
(2) Push up the cruise control switch and hold it 

in the RESUME/ACCEL position for at least 3 
seconds. (The cruise set indicator light will 
illuminate for 3 seconds.)

•

If a DTC is indicated, inspect the 
corresponding system area.

5. The condition detection mode is canceled by 

turning the ignition switch to LOCK position or 
turning off the cruise control main switch.

Using The SST (WDS or equivalent)
DTCs retrieving procedure

1. Hook-up the SST to the vehicle. Make sure that 

ignition key is at LOCK and all accessories are 
OFF.

2. Turn the ignition key to ON (engine OFF).
3. Retrieve any DTCs by WDS or equivalent.

Condition Code List

Y3U102WYB

Z3U0102W401

DTC

Output pattern

Diagnosed circuit

01

Cruise actuator

05

Brake switch

07

Brake switch

11

Cruise control switch (SET/COAST switch)

12

Cruise control switch (RESUME/ACCEL switch)

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