Mazda 626 Station Wagon, Workshop Manual

Page: 43 / 577

ENGINE TUNE-UP
• If not as specified, inspect the following:
— CMP sensor (See Section F.)
— CKP sensor (See Section F.)
— TP sensor (See Section F.)
— ECT sensor (See Section F.)
— Neutral switch (MTX) (See Section F.)
— Clutch switch (MTX) (See Section F.)
— TR switch (ATX) (See K2-30 TRANSAXLE
RANGE (TR) SWITCH INSPECTION.)
IDLE SPEED AD JU STM EN T
Except for G F4A-EL Models
Using the SSTs (NGS tester)
1. Perform “ENGINE TUNE-UP PREPARATION”.
2. Verify that the RPM PID is within the specification.
3. If using the
SST
(System selector) to turn on the |
test mode, perform as follows:
(1) Connect the
SST
to the DLC.
(2) Set the system select switch to position 1.
(3) Set the test switch to SELF TEST.
S Y S T E M SELECTO R
A O 0 0 1 9 9 A 0
TEST S W
S E L F
T E S T
8 ^ ~ 7 < ß
SYSTEM SELECT M0NIT° "
49 B019 9A0
Specification
600— 700 (650 ± 5 0 )rp m
3. Press SETUP (key 8) and turn the test mode on.
4. Press
CANCEL.
5. Press
START.
Caution
• The TAS is set at the factory and must not
be adjusted. A n y adjustm ent w ill negatively
affect th e engine perform ance.
6. Verify that the RPM PID is within the specification.
• If not as specified, adjust the idle speed by
turning the AAS.
Specification
500— 750 rpm
Caution
• Connecting the wrong DLC term inal may
possibly cause a malfunction. Carefully
connect the specified term inal only.
4. If using a jumper wire to turn on the test mode,
perform the following:
(1) Short the DLC terminal TEN to body GND
using a jumper wire.
JUMPER W IR E
/ _
I
TEN
/
I I
I I I I I
7. Press
SETU P
(Key 8) and turn the test mode off.
8. Press
CLEAR
to clear previously selected items.
9. Disconnect the
SSTs (NGS Tester).
Not using the SSTs (NGS tester)
1. Perform “ENGINE TUNE-UP PREPARATION”.
2. Verify that the RPM PID is within the specification.
Specification
600— 700 (650 ± 50)rpm
Caution
• The TAS is set at the factory and must not
be adjusted. Any adjustm ent will negatively
affect the engine performance.
5. Verify that the idle speed is within the
specification.
• If not as specified, adjust the idle speed by
turning the AAS.
Specification
500— 750 rpm
F1-22