Dtc P2009 - Mazda 6 Workshop Manual

DTC P2009

DTC P2009 Variable swirl control (VSC) solenoid valve circuit high input
• The PCM monitors the output signal to the variable swirl control solenoid valve. If the voltage of the
variable swirl control solenoid valve is high even if the variable swirl control solenoid valve is on, the PCM
determines that there is a malfunction in the variable swirl control solenoid valve control circuit.
Diagnostic support note
DETECTION
• The MIL illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or
CONDITION
in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
• PENDING CODE is available if the PCM detects the above malfunction condition.
• FREEZE FRAME DATA is available.
• The DTC is stored in the PCM memory.
• VSC solenoid valve malfunction
• Short to power supply between VSC solenoid valve terminal B and PCM terminal 101
POSSIBLE
• Connector or terminal malfunction
CAUSE
• PCM malfunction
VSC SOLENOID VALVE
5
VSC SOLENOID VALVE
WIRING HARNESS-SIDE
CONNECTOR
B A
F2–176
ON-BOARD DIAGNOSTIC
PCM CONTROL RELAY
TERMINAL C
4
A
4
6
B
26 25 24 23 22 21 20
52 51 50 49 48 47 46
78 77 76 75 74 73 72
104 103 102 101 100 99 98
PCM
7
101
PCM
WIRING HARNESS-SIDE
CONNECTOR
19 18 17 16 15 14 13 12
45 44 43 42 41 40 39 38
71 70 69 68 67 66 65 64
97 96 95 94 93 92 91 90
B6E407002000101
11 10 9 8 7 6 5 4 3 2
37 36 35 34 33 32 31 30 29
63 62 61 60 59 58 57 56 55 54
89 88 87 86 85 84 83 82 81
1
28 27
53
80 79