Dtc P1500 Starter Signal Circuit Malfunction - Suzuki Wagon R Plus RB310 Service Manual

6-2-136 ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE)

DTC P1500 Starter Signal Circuit Malfunction

Wiring Diagram
[A]
WHT/BLU
80A 60A
[B]
WHT/BLU
80A 60A
C64
7 6 5 4 3
17 16 15 14 13 12 11
27 26 25 24 23 22 21
34 33 32 31
[A]: M/T Vehicle 1. ECM
[B]: A/T Vehicle 2. Starter motor
DTC Detecting Condition
• Low voltage at terminal "E22-35" when cranking engine
• High voltage at terminal "E22-35" after starting engine
(2 driving cycle detection logic)
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Start engine and run it at idle for 3 min. or more.
4) Check DTC and pending DTC.
3
BLK/YEL
4
3
BLK/YEL
4
C63
2 1 7 6 5 4 3
10 9 8 19 18 17 16 15 14 13 12 11
20 19 18 27 26 25 24 23
30 29 28 35 34 33 32 31
3. Ignition switch
4. Relay box
5
BLK/YEL
2
6
5
P
BLK/RED
N
2
G91
2 1 6 5 4 3 2
10 9 8 16 15 14 13 12 11 10 9 8
22 21 20 27 26 25 24 23 22 21 20 19
30 29 28 35 34 33 32 31 30
5. Instrument panel harness/engine harness connector
6. Transmission range sensor (shift switch)
• Engine starter signal circuit
• ECM
1
E22-35
BLK/YEL
1
BLK/YEL
E22-35
BLK/YEL
1
7
18 17
29 28
Trouble Area