Mazda CX 7. Manual — part 432

POWER SYSTEMS

09-21–3

09-21

KEY REMINDER SWITCH INSPECTION

id092100801100

1. Disconnect the negative battery cable.
2. Remove the column cover. (See 09-17-8 COLUMN COVER REMOVAL/INSTALLATION.)
3. Disconnect the key reminder switch connector.
4. Inspect for continuity between the key reminder

switch terminals using a tester.

• If there is any malfunciton, replace the key

reminder switch.

End Of Sie

STEERING LOCK UNIT INSPECTION

id092100800500

1. Measure the voltage or inspect for continuity according to the Terminal Voltage Table (Reference).

• If the voltage is not as specified in the Terminal Voltage Table (Reference), inspect the parts under

“Inspection item(s)” and related wiring harnesses.

2. If the system does not work properly even though the inspection items or related wiring harnesses do not have

any malfunction, replace the steering look unit.

Terminal Voltage Table (Reference)

End Of Sie

WM: RELAY

A

B

A

B

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: Continuity

Key position

Key inserted

Key removed

Terminal

B

A

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*

*

D

C

E

F

*

G

I

*

L

K

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Terminal

Signal name

Connected to

Measured condition

Voltage (V)/

Continuity

Inspection item(s)

E

Push switch
signal

Keyless control
module

Start knob pressed

B+

• Keyless control module

• Related wiring harnesses

Start knob released

1.0 or less

F

Power supply

Fuse

Under any condition

B+

• Fuse

• Related wiring harnesses

G

Key reminder
switch signal

Keyless control
module

Key inserted

B+

• Keyless control module

• Related wiring harnesses

Key removed

1.0 or less

I

Power supply

Fuse

Under any condition

B+

• Fuse

• Related wiring harnesses

K

Serial
communication

Keyless control
module

Under any condition: Inspect
for continuity to keyless
control module.

Continuity

detected

Related wiring harnesses

L

GND

Body ground

Under any condition: Inspect
for continuity to GND.

Continuity

detected

Related wiring harnesses

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POWER SYSTEMS

09-21–4

RELAY LOCATION

id092100800600

.

End Of Sie

RELAY INSPECTION

id092100800300

Relay type

RELAY BLOCK

1

MAIN FUSE BLOCK

9

8

7

5

4

3

10

13

11

12

6

2

17

16

15

14

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1

Horn relay

2

A/C relay

3

Front fog light relay

4

Rear window defroster relay

5

TNS relay

6

Drive-by-wire relay

7

Headlight relay

8

Back-up light relay

9

Fuel pump relay

10

Starter relay No.2

11

Cooling fan relay No.2

12

Blower relay

13

Fuel pump speed control relay

14

Injector relay

15

Starter relay No.1

16

Main relay

17

Cooling fan relay No.1

Terminal type

Part name

4

terminals

Type A

• Fuel pump relay

• Fuel pump speed control relay

• Starter relay No.2

• Injector relay

• Drive-by-wire relay

• A/C relay

• Rear window defroster relay

• TNS relay

• Front fog light relay

• Back-up light relay

• Horn relay

Type B

• Cooling fan relay No.1

• Cooling fan relay No.2

• Starter relay No.1

• Main relay

• Blower relay

• Headlight relay

1871-1U-06B(09-21).fm 4 ページ ２００６年３月１５日 水曜日 午後２時４７分

POWER SYSTEMS

09-21–5

09-21

Type A

1. Verify the continuity between the relay terminals.

• If not as indicated in the table, replace the

relay.

Type B

1. Verify the continuity between the relay terminals.

• If not as indicated in the table, replace the

relay.

End Of Sie

C

A

A

E

C

D

E

D

acxuuw00002118

: Continuity

Step

1

2

Terminal

E

C

D

A

B+

GND

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A

B

D

E

A

B

D

E

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GND

B+

Step

1

2

Terminal

: Continuity

A

B

D

E

acxuuw00002121

1871-1U-06B(09-21).fm 5 ページ ２００６年３月１５日 水曜日 午後２時４７分