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DTC P0500 (DTC NO.16) VEHICLE SPEED SENSOR (VSS) MALFUNCTION
WIRING DIAGRAM / CIRCUIT DESCRIPTION
1. VSS (vehicle speed sensor)
2. VSS connector
[A] : Case of TYPE A is shown (See NOTE)
NOTE:
For TYPE A and TYPE B, refer to NOTE in "ECM VOLTAGE VALUES TABLE" for applicable model.
DTC DETECTING CONDITION
• VSS signal not inputted while vehicle running in "D"
range or during fuel cut at deceleration.
✱2 driving cycle detection logic, continuous monitoring
DTC CONFIRMATION PROCEDURE
WARNING:
• When performing a road test, select a place where there is no traffic or possibility of a traffic acci-
dent and be very careful during testing to avoid occurrence of an accident.
• Road test should be carried out with 2 persons, a driver and a tester.
1) Clear DTC and warm up engine to normal operating temperature.
2) Increase vehicle speed to 50 mph, 80 km/h in 3rd gear or "2" range while observing vehicle speed displayed
on scan tool.
3) Release accelerator pedal and with engine brake applied, keep vehicle coasting (fuel cut condition) for 4
sec. or more.
4) Check pending DTC and DTC.
INSPECTION
Step
1
Was "ENGINE DIAG. FLOW TABLE" per-
formed?
2
Does speedometer indicate vehicle speed?
2
1
BLK/RED
c
a
BLK/ORN
b
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. Power supply from ignition switch
4. Speedometer, P/S control module and multi information display
[B] : Case of TYPE B is shown (See NOTE)
Action
ENGINE GENERAL INFORMATION AND DIAGNOSIS 6-103
ECM
+B
5V
3
G02-2 [A]
PPL
C41-22[B]
4
C41 (24P)
7
6
5
4
3
2
1
6
16
15
14
13 12
11
10
9
8
12
24
23
22
21
20
19
18
17
17
• "BLK/ORN" circuit open
• "PPL" or "BLK/RED" circuit open or short
• VSS malfunction
• ECM malfunction
• Speedometer malfunction
Yes
Go to Step 2.
Go to Step 3.
G02 (17P)
5
4
3
2
1
11
10
9
8
7
16
15
14
13
POSSIBLE CAUSE
No
Go to "ENGINE DIAG.
FLOW TABLE".
Go to Step 5.
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