Honda 2005-2008 RX500 FA Service Manual page 496

'61HN252' by American Honda Motor Co. - Page 496 of 540
[2005-2008] [TRX500 FA/FGA]
HONDAMATIC
24-18
1 of 1
PROBLEM CODE 4: THROTTLE
POSITION (TP) SENSOR SYSTEM
1. TP Sensor Connection Inspection
Check for loose or poor contact on the ECM 21P
(Gray) connector.
Check for loose or poor contact on the TP sensor
3P (Black) connector.
Is there normal condition?
Loose or poor contact on the ECM 21P
NO
(Gray) connector and the TP sensor 3P
(Black) connector
GO TO STEP 2.
YES
2. TP Sensor Resistance Inspection 1
Measure the resistance at the TP sensor termi-
nals of the sensor side.
Connection: Black/red (+) Green/yellow ()
Is the resistance within 4.0 6.0 kΩ (20°C/68°F)?
Faulty TP sensor, perform initial setting
NO
procedure after replacement
6)
GO TO STEP 3.
YES
3. TP Sensor Resistance Inspection 2
Check that the resistance at the sensor terminals
varies with the throttle position while operating
the throttle lever.
Connection: Yellow/black (+) Green/yellow ()
Standard: Fully close to Fully open
0.5 to 4.0 6.0 kΩ (20°C/60°F)
Is there normal condition and standard resis-
tance?
GO TO STEP 4.
NO
GO TO STEP 5.
YES
http://services.honda.com/ServiceManual/SVC_MNL/61HN253/61HN2...
'05, '06 shown:
3P (BLACK) CONNECTOR
(page 24-
ECM 21P (GRAY) CONNECTOR
Y/Bl
G/Y
3/9/2008 11:28 PM