Table of Contents
Advertisement
DTC P0340 (DTC NO.15) CAMSHAFT POSITION (CMP) SENSOR CIRCUIT MAL-
FUNCTION
WIRING DIAGRAM / CIRCUIT DESCRIPTION
DTC DETECTING CONDITION
• No CMP sensor signal during engine running (CKP
sensor signal is inputted).
REFERENCE
Connect oscilloscope between terminals E21-11 of ECM connector connected to ECM and body ground and
check CMP sensor signal. When CKP circuit is failed (open or short), ECM identify the cylinder only by CMP
sensor signal.
1. No.1 cylinder
2. No.2 cylinder
DTC CONFIRMATION PROCEDURE
1) Clear DTC.
2) Start engine and keep it at idle for 1 min.
3) Select "DTC" mode on scan tool and check DTC.
BLK/RED
BLK/ORN
C42 (31P)
9
8
7
6
5
4
3
2
1
21
20
19
18
17
16
15
14
13
12
11
10
31
30
29
28 27
26
25
24
23
22
3. No.3 cylinder
[A] : Oscilloscope Waveforms
4. No.4 cylinder
[B] : Waveforms at specified idle speed
ENGINE GENERAL INFORMATION AND DIAGNOSIS 6-91
+B
RED/YEL
C42-11
C41 (24P)
7
6
5
4
3
2
1
6
12
16
15
14
13 12
11
10
9
8
24
23
22
21
20
19
18
17
17
• CMP sensor circuit open or short.
• Signal rotor teeth damaged.
• CMP sensor malfunction, foreign material being
attached or improper installation.
• Incorrect starter signal.
• ECM malfunction.
5V
ECM
G02 (17P)
5
4
3
2
1
11
10
9
8
7
16
15
14
13
POSSIBLE CAUSE
[C] : CKP sensor signal
[D] : CMP sensor signal
Advertisement
Table of Contents
