turn signal MAZDA 626 1987 Workshop Manual

MAZDA 626 1987 Workshop Manual 626 1987 MAZDA MAZDA https://www.carmanualsonline.info/img/28/57059/w960_57059-0.png MAZDA 626 1987 Workshop Manual

Page 439 of 1865

MAZDA 626 1987  Workshop Manual 
4A IDLE-UP CONTROL SYSTEM 
76G04A-144 
76G04A-145 
76G04A-146 
Vacuum Signal [Equipped with A/C, only FE and 
F8 (Except Middle East and General)] 
1. Start the engine and run it at idle. 
2. Disconn

Page 473 of 1865

MAZDA 626 1987  Workshop Manual 
TROUBLESHOOTING WITH SST 4B 
2. Connect the SST to the check connector. 
3. Ground the test connector (Green, 1-pin) with a 
jumper wire. 
86U04A-015 

Ignition switch:
 ON 

for six
 seconds 
4. Tur

Page 475 of 1865

MAZDA 626 1987  Workshop Manual 
TROUBLESHOOTING WITH SST 4B 
CODE NUMBER 
Malfunction display 
Self-diagnosis Fail-safe Code 
No. Output signal pattern subsystem Self-diagnosis Fail-safe 

01 
ON 
OFF 

Ignition pulse 
No ignition

Page 488 of 1865

MAZDA 626 1987  Workshop Manual 
4B SWITCH MONITOR FUNCTION 
49 H018 9A1 
INSPECTION PROCEDURE 
1. Warm up the engine to normal operating temper-
ature and stop it. 
2. Connect the SST to the check connector (Green, 
6-pin) and the

Page 498 of 1865

MAZDA 626 1987  Workshop Manual 
4B IDLE-UP SYSTEM 
COMPONENT DESCRIPTIONS 
Component Function Remarks 
Air bypass solenoid 
valve 

Controls bypass
 air
 amount Operates A: A/C
 : ON 

B: Intake
 air
 temp, high
 or at
 high
 al-
t

Page 501 of 1865

MAZDA 626 1987  Workshop Manual 
IDLE-UP SYSTEM 4B 
AIR BYPASS SOLENOID VALVE 
Inspection of Idle-up Signal 
A/C 
1. Warm up the engine and run it at idle. 
2. Connect a voltmeter between terminal A and 
ground. 
3. Turn the A/C and

Page 549 of 1865

MAZDA 626 1987  Workshop Manual 
CONTROL SYSTEM 4B 
ENGINE CONTROL UNIT 
Engine Signal Monitor (49 9200 162) and Adapter (49 9200 163). 
Adapter harness 49 9200 163 
Engine wiring harnessN 
Selector switch 
Monitor switch 
Engine co

Page 576 of 1865

MAZDA 626 1987  Workshop Manual 
TROUBLESHOOTING WITH SST 4C 
Malfunction display 
Sensor or subsystem Self-diagnosis Fail-safe Malfunction 
code no. Malfunction code output signal pattern 
Sensor or subsystem Self-diagnosis Fail-sa

Page 606 of 1865

MAZDA 626 1987  Workshop Manual 
ISC SYSTEM 4C 
COMPONENT DESCRIPTION 
Component Function Remark 
A/C switch Detects air conditioner operation; sends 
signal to engine control unit Switch ON when air conditioner 
operating 
Air valv

Page 659 of 1865

MAZDA 626 1987  Workshop Manual 
4C CONTROL SYSTEM 
ENGINE CONTROL UNIT 
Engine Signal Monitor (49 9200 162) and Adapter (49 9200 163). 
Adapter harness 49 9200 163 
Engine wiring harness^ 
Selector switch 
 — 
Monitor switch 
49
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