Honda CBR650RA Shop Manual page 164

dummyhead dummyhead
PGM-FI SYSTEM
P0135 (O
• Before starting the inspection, check for loose or
poor contact on the O
33P (Gray) connectors, and recheck the DTC.
1. Recheck DTC
Erase the DTC (page 4-9).
Start the engine and check the O
with the MCS or GST.
Is P0135 indicated?
YES
NO
2. O Sensor Heater Resistance Inspection
2
Turn the ignition switch OFF.
Disconnect the O
(page 2-18).
Measure the resistance between the sensor side O
sensor 4P (Black) connector [1] terminals.
CONNECTION: White – White
STANDARD: 13.0 – 18.5 Ω (20°C/68°F)
Is the resistance within standard value?
YES
NO
3. O Sensor Heater Input Voltage Inspection
2
Turn the ignition switch ON with the engine stop
switch " ".
Measure the voltage between the wire harness side
O sensor 4P (Black) connector [1] and ground.
2
CONNECTION: Black/blue (+) – Ground (–)
Is there battery voltage?
YES
NO
4. O Sensor Heater Line Open Circuit Inspection
2
Disconnect the ECM 33P (Gray) connector (page 4-
76).
Check the continuity between the wire harness side
O sensor 4P (Black) connector [1] and ECM 33P
2
(Gray) connector [2] terminals.
TOOL:
Test probe
CONNECTION: Black – Black
Is there continuity?
YES
NO
4-60
SENSOR HEATER)
2
sensor 4P (Black) and ECM
2
– GO TO STEP 2.
– Intermittent failure
sensor 4P (Black) connector
2
– GO TO STEP 3.
– Faulty O sensor
2
– GO TO STEP 4.
– Open circuit in Black/blue wire
07ZAJ-RDJA110
– GO TO STEP 5.
– Open circuit in Black wire
sensor heater
2
2
[1]
Bl
[1]
W W
[1]
Bl/Bu
[2]
Bl