1A-91 Engine General Information and Diagnosis:
DTC “C46” (P1657-H/L or P1658): EXCV Actuator Circuit Malfunction
B822H11104033
Wiring Diagram
ECM coupler (Harness side)
Detected Condition Possible Cause
C46
The operation signal does not reach the
EXCV actuator.
EXCVA position sensor voltage low or
high
0.1 V ≤ Sensor voltage < 4.9 V
(without the above range)
EXCVA can not operate properly.
• EXCVA maladjusted.
• EXCVA circuit open or short.
• EXCVA motor malfunction.
• EXCVA position sensor malfunction.
• EXCVA position sensor circuit shorted to VCC or ground
circuit open.
• EXCVA position sensor circuit open or shorted to ground
or VCC circuit open.
• EXCVA motor circuit open or short.
• EXCVA motor malfunction.
P1657
H
Sensor voltage is higher than specified
value.
L
Sensor voltage is lower than specified
value.
P1658
The operation signal does not reach the
EXCVA motor.
ECM does not receive communication
signal from the EXCVA motor.
EXCVA can not operate properly.
ECM
EXCVA
VCC
MPS
MO
MO
E2
B/R
R/BP
Gr
B/Br
W
YY
RB
4
3
11
5
29
I822H1110103-03
1 2 3 4 5 6 7 8 9 10 11121314151617
18
18 19 20 21 22 23 26 2724 25 28 29 30 31 32 33 34
35
36
37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
53 54 55 56 57 58 59 60 61 62 63 6764 65 66 68
6852
52
I822H1110010-01
To Next Page
Loading...
General
