Variable Swirl Shutter Valve; Voltage Inspection - Mazda CX-7 2007 Workshop Manual

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VARIABLE SWIRL SHUTTER VALVE SWITCH INSPECTION[L3 WITH TC]
WM: SHUTTER VALVE SWITCH
Note
• Before performing the following inspection, make sure to follow the procedure as indicated in the
troubleshooting flowchart. (See00-00-3 HOW TO USE THIS MANUAL.)

Voltage Inspection

1. Turn the ignition switch to the ON position (Engine off).
2. Verify that the PCM terminal 2AE voltage is as
shown in the following table when the variable
swirl shutter valve actuator rod is depressed and
released by hand.
2BE 2BA 2AW 2AS 2AO 2AK 2AG 2AC 2Y 2U 2Q 2M
2BF 2BB 2AX 2AT 2AP 2AL 2AH 2AD 2Z 2V 2R 2N
2BG 2BC 2AY 2AU 2AQ 2AM 2AI 2AE 2AA 2W 2S 2O
2BH 2BD 2AZ 2AV 2AR 2AN 2AJ 2AF 2AB 2X 2T 2P
• If not as specified, perform the "Circuit Open/Short Inspection".
— If there is no open or short circuit, replace the intake manifold. (See01-13-5 INTAKE AIR SYSTEM
REMOVAL/INSTALLATION[L3 WITH TC].)
Variable swirl shutter valve switch output voltage
Condition
Released (Open position)
Depressed (Closed position)
CONTROL SYSTEM [L3 WITH TC]
PCM
WIRING HARNESS-SIDE CONNECTOR
2E 2A
2I
2J 2F 2B
2K 2G 2C
2L 2H 2D
PCM terminal 2AE
B+
Below 1.0 V

VARIABLE SWIRL SHUTTER VALVE

ACTUATOR ROD
1BE 1BA 1AW 1AS 1AO 1AK 1AG 1AC 1Y 1U 1Q 1M
1BF 1BB 1AX 1AT 1AP 1AL 1AH 1AD 1Z 1V 1R 1N
1BG 1BC 1AY 1AU 1AQ 1AM 1AI 1AE 1AA 1W 1S 1O
1BH 1BD 1AZ 1AV 1AR 1AN 1AJ 1AF 1AB 1X
id014039803000
OPEN POSITION
(RELEASED)
CLOSED POSITION
(DEPRESSED)
acxuuw00000113
1I 1E 1A
1J 1F 1B
1K 1G 1C
1T 1P 1L 1H 1D
acxuuw00000114
01-40–23
01-40