Mazda 626 Station Wagon, Workshop Manual, Page: 227 / 577

ON-BOARD DIAGNOSTIC SYSTEM
SIMULATION TEST
• Using the SIMULATION TEST function (NGS tester), output devices can be operated regardless of the PCM
control while the ignition switch is on or the engine is running.
x : Applied
Simulation Test Table
Not applied
Simulation
item
Full name Practicable operation
Test condition
PCM terminal
IG ON Idle
LINE
* 1
Pressure control solenoid
Actuates at any current up to 1A (0— 100%)
X X
44, 81
SHIFT A
Shift solenoid A Actuates at any duty value (0— 100%)
X
- 82
SHIFT B
Shift solenoid B Actuates at any duty value (0— 100%)
X
-
99
SHIFT C Shift solenoid C Actuates at any duty value (0—100%)
X
-
102
SHIFT D
*2
Shift solenoid D ON or OFF
X -
27
SHIFT E
*2
Shift solenoid E ON or OFF
X
-
1
*2: A simulation test can be performed but inspection is not possible, as the line pressure does not change and
solenoid valve is barely audible.
DIAGNOSTIC SUPPORT PROCEDURE
• Diagnosis for the TR switch and/or TR switch
circuits is possible by performing the following
procedure.
1. Connect the NGS to the DLC.
2. Select and perform the “TR, SHIFT SW TEST’ in
the “DIAGNOSTIC SUPPORT PROCEDURE”.
3. Operate the selector lever according to the
instructions displayed on the screen.
Diagnostic Support Procedure Table
Diagnostic table Remark
READ/CLEAR DIAGNOSTIC TEST RESULTS
Diagnose according to the procedures displayed on the NGS
tester.
TPS, CTP SW TEST
TR, SHIFT SW TEST
MAF/VAF TEST
BASIC SW TEST
K 2-20