Suzuki VLR1800, Service Manual

Page: 133 / 624

Engine General Information and Diagnosis: 1A-64
DTC “C24” (P0351), “C25” (P0352), “C26” (P0353) or “C27” (P0354): Ignition System Malfunction
B822H11104017
NOTE
• Refer to “No Spark or Poor Spark in Section 1H (Page 1H-3)” for details.
• When indicating “C24” (P0351) and “C26” (P0353) for #1
• When indicating “C25” (P0352) and “C27” (P0354) for #2
DTC “C28” (P1655): Secondary Throttle Valve Actuator (STVA) Malfunction
B822H11104018
Detected Condition and Possible Cause
Wiring Diagram
ECM coupler (Harness side)
Detected Condition Possible Cause
The operation voltage does not reach the STVA.
ECM does not receive communication signal from the
STVA. STVA can not operate properly. • STVA malfunction.
• STVA circuit open or short.
• STVA motor malfunction.
ECM
STVA. 2B
STVA. 1A
STVA. 1B
STVA
B/Lg
P/W
G
W/B STVA. 2A
1
2
18
19
I822H1110056-01
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
18 18 18 19 20 21 22 23 26 27 24 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 67 64 65 66 68 68 68 52 52 52
I822H1110010-01