FI SYSTEM DIAGNOSIS 5-65
Step 3
1) Turn the ignition switch OFF.
2) Disconnect the STP sensor coupler and install the test har-
ness.
3) Disconnect the STVA lead wire coupler.
4) Turn the ignition switch ON.
5) Measure the STP sensor output voltage at the terminals
(between
+
terminal
A
Y/W wire and
-
terminal
C
B/Br
wire) by turning the secondary throttle valve (close and open)
with a finger.
$
STP sensor output voltage
Secondary throttle valve is closed: Approx. 0.6 V
Secondary throttle valve is opened: Approx. 4.2 V
!
09900-25008: Multi-circuit tester set
09900-28630: TPS test wire harness
&
Tester knob indication: Voltage (
'
)
Is the voltage OK?
After repairing the trouble, clear the DTC using SDS tool.
(
#
5-26)
3
V
3
3
YES
• Red, Y/W or B/Br wire open or shorted to
ground, or poor
A
,
J
or
S
connection
• If wire and connection are OK, intermittent trou-
ble or faulty ECM.
• Recheck each terminal and wire harness for
open circuit and poor connection.
• Replace the ECM with a known good one, and
inspect it again.
NO
If check result is not satisfactory, replace STP
sensor with a new one.
ECM coupler (Harness side)
3
(Black)
(Gray)
Summary of Contents for VZR1800 2007
Page 1: ...VZR1800...
Page 3: ......
Page 51: ...2 30 PERIODIC MAINTENANCE...
Page 57: ...White Page...
Page 116: ...ENGINE 3 59 TRANSMISSION PARTS LOCATION 1 Countershaft 2 Driveshaft...
Page 171: ...White Page...
Page 201: ...White Page...
Page 357: ...White Page...
Page 479: ...White Page...
Page 533: ...White Page...
Page 561: ......
Page 587: ......