Mazda 1979-1984 RX7 Manuale di riferimento

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1.3L ENG NO START/BLOWN FUSE - SHORT IN WIRE HARNESS CAT. 15, NO. 012/85

Article Text

1983 Mazda RX7

For www.iluvmyrx7.com

Monday, August 27, 2001 06:29AM

ARTICLE BEGINNING

TECHNICAL SERVICE BULLETIN

APPLICATION

1979-84 RX7

SUBJECT

"ENGINE" Fuse Blows/No Start

REFERENCE

Mazda Motors Corp., Service Bulletin, No. 15 012/85, September, 1985

CONDITION & CAUSE

Some 1979-84 RX7 vehicles may exhibit an "ENGINE" fuse that blows,

preventing the engine from starting. This problem may be caused by an

electrical short circuit in the wiring harness.

REPAIR

Check for a short circuit in the wire harness in the area of the

thermostat and air hose to the air cleaner. See Fig. 1.

Fig. 1: View of Wiring Harness

END OF ARTICLE

ACCEPTABLE BATTERY DRAIN CAT. 5, NO. 017/88

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ARTICLE BEGINNING

TECHNICAL SERVICE BULLETIN

CURRENT DRAW FROM THE BATTERY

Model: All Models

Bulletin No.: 017/88

Date: 7/27/88

Category: 5

DESCRIPTION

In order to maintain the memory of the electrical equipment such as

radio, clock, and several other control units, a small amount of

current is drawn from the battery even though the vehicle is not in

use. Although the actual current may vary according to the electrical

equipment in each vehicle, the following specification can be used to

determine if the current draw of the vehicle in question is normal or

not.

CURRENT DRAW AMPERAGE

All Vehicles: 15 to 25 mA (Ignition key is removed or in the lock

position).

NOTE:

If the ignition key is in the ACC position, up to 250 mA is drawn from

the battery. This current draw is large enough to discharge the

battery in a few days.

TEST PROCEDURES

1. Turn the ignition switch off and remove the key from the cylinder.

2. Turn off all electrical loads. Make sure all doors and the trunk

lid are completely closed.

3. Open the hood and disconnect the negative battery terminal.

NOTE:

If the vehicle is equipped with theft-deterrent system, disconnect the

coupler from the hood switch so that the warning light of the theft-

deterrent system is not operable.

4. Set the circuit tester to the "DC mA" range, to at least 100 mA

range and check the current as follows:

Positive lead from tester to Negative Battery Cable

Negative lead from tester to Negative Battery Post.

CAUTION:

Do not open the door while checking the current, as the tester will be

ACCEPTABLE BATTERY DRAIN CAT. 5, NO. 017/88

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damaged by the excessive current.

Fig. 1: Testing Currant Draw

END OF ARTICLE

ALTERNATOR/REGULATOR TEST PROCESS/REPLACEMENT INFO CAT. 5, NO. 058/83

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ARTICLE BEGINNING

TECHNICAL SERVICE BULLETIN

IC REGULATOR CHECKING PROCEDURE

Models All Models

Bulletin No. 058/83

Category 5

Date 11/9/83

DESCRIPTION

Checking procedure for the built-in IC regulator has been

established to pin point the alternator problem. Basically, the

alternator should be replaced as a unit through the exchange program.

However, in case of a shortage of refurbished alternators, you may

replace the IC regulator to minimize inconvenience of customers (see

Fig. 1).

Fig. 1: Exploded View of Alternator

PARTS INFORMATION

Regulator N221 24 520

CHECKING PROCEDURE

1. Make sure the battery is fully charged.

2. Turn ignition key on to "Ig" position. If the alternator warning

light is "off", the problem is likely to be caused by regulator.

Leave the key in "Ig" position and take the following step to

assure the cause.

3. Insert volt meter between "F" terminal and nearest ground point

(Fig. 2).

4. Do not ground to the body of the alternator while positive probe

of voltmeter is inserted through the hole for "F" terminal.

ALTERNATOR/REGULATOR TEST PROCESS/REPLACEMENT INFO CAT. 5, NO. 058/83

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Fig. 2: Location of "F" Terminal

REPAIR PROCEDURE

Please refer to the Service Information for IC regulator replacing

procedure.

NOTE: Be sure the insulators are in the proper position as shown in

Fig. 3.

Fig. 3: Proper Location of Insulators

END OF ARTICLE

AUDIO SYSTEM TROUBLESHOOTING PROCEDURES CAT. 15, NO. 078/89

Article Text

1983 Mazda RX7

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Monday, August 27, 2001 06:30AM

ARTICLE BEGINNING

TECHNICAL SERVICE BULLETIN

AUDIO SYSTEM TROUBLESHOOTING

Model All Mazda Models

Category 15, Body Electrical System

Bulletin No. 078/89

Date May 5, 1989

DESCRIPTION

To simplify audio system troubleshooting, a flow chart (see Fig. 1)

has been prepared. It contains essentials of audio system trouble-

shooting procedures, focusing on the following:

* Obtain accurate information of customer's complaint.

* Carry out appropriate diagnosis or troubleshooting to find the

faulty part.

* Avoid replacing unnecessary parts.

* Verify whether the customer's complaint results from specific

characteristics of FM radio waves. If so, the complaint cannot be

corrected by audio component replacement.

Use the following materials with the attached flow chart when

carrying out inspection and repair of the audio system.

* Audio System Troubleshooting Procedures (plastic sheet)

* Service Bulletin, Category 15, 050/87 (FM Reception)

* Audio Customer Questionnaire

* Workshop Manual

NOTE: If it becomes necessary to disconnect power to the audio

system, be sure to copy down the customer's preset stations.

Re-set these stations after repairs are complete.

AUDIO SYSTEM TROUBLESHOOTING PROCEDURES CAT. 15, NO. 078/89

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Fig. 1: Audio System Troubleshooting

END OF ARTICLE

BATTERY REMOVAL/INSTALL WIRE CLIP WARNING CAT. 14, NO. 009/85

Article Text

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ARTICLE BEGINNING

TECHNICAL SERVICE BULLETIN

BATTERY CLAMP BOLT & NUT

Models RX-7

Bulletin No. 009/85

Category 14

Date 1/22/85

DESCRIPTION

During installation of the battery clamp rod and nut, it is possible

for wire clip to become pinched in the threads on the clamp bolt,

resulting in the nut binding on the clamp rod. See Fig. 1.

If you encounter this problem, please follow the repair procedure

below.

Fig. 1: Battery Clamp Bolt & Nut

PARTS INFORMATION

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

PART NUMBER DESCRIPTION

0613 65 857A Clamp Bolt

9994 00 602 Nut

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

REPAIR PROCEDURE

1. Carefully remove the nut from the battery clamp bolt.

2. Use a die to repair the threads on the clamp bolt.

3. Install a small washer on top of the wire clip to prevent damage

to the threads on the clamp bolt during reinstallation.

END OF ARTICLE

FUSIBLE LINK REFERENCE CHART NO. T-2-3

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ARTICLE BEGINNING

TECHNICAL SERVICE BULLETIN

FUSIBLE LINK REFERENCE CHART

Model: All Mazda

Date: November 1, 1990 (Revised - April 27, 1992)

No: T-2-3

Group: Parts Bulletin

SERVICE INFORMATION

For easy reference, the following list of Fusible Links have been

compiled.

FUSIBLE LINK REFERENCE CHART

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

Year Model Location P/N

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

1979-82 626 Engine Compartment 8174-66-760B

1983-85 626 Gas Engine Compartment 3775-67-099

1983-85 626 Diesel Engine Compartment H047-67-099

1983-85 626 Alternator HA67-67-099

1979 RX-7 Under Dash 1175-66-710A

1980 RX-7 Under Dash 8130-66-710

1980 RX-7 Engine Compartment 8341-18-055

1981 RX-7 Under Dash FA02-67-099

1981-85 RX-7 Engine Compartment 3777-67-099

1981-85 RX-7 Transmission 8341-18-055

1981-85 RX-7 Engine Compartment 8871-67-099

1984-85 RX-7 Engine Compartment 3775-67-099

1981-85 GLC Engine Compartment B003-67-099

1981-85 GLC Engine Compartment B005-67-099

1981-85 GLC Engine Compartment B006-67-099

1977-82 B2000 Engine Compartment B094-67-099

1983-84 B2000/B2200 Engine Compartment UA47-66-099

1988-93 MX-6 Engine Compartment FB01-67-099

M/T,

Non-Turbo A/T

1988-93 626 Sedan Engine Compartment FB01-67-099

1988-93 626 Hatchback Engine Compartment FB01-67-099

M/T,

Non-Turbo A/T

1990-92 929, 929S Engine Compartment FB01-67-099

1986-92 323 Engine Compartment FB01-67-099

1987-89 323 Wagon Engine Compartment FB01-67-099

1986-91, 93 RX-7 Engine Compartment FB01-67-099

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