Special tool
: 09900–25008
(multi circuit tester set)

Note
|
Special tool
(a):
09900–25009 (needle-point probe set)

Using the multi-circuit testersDTC “c44” (p0130/p0135): ho2 sensor
(ho2s) circuit malfunction
Detected condition and possible cause
Detected condition
Possible cause
C44/P0130
Ho2 sensor output voltage is not input to
ecm during engine operation and running
condition.
Sensor voltage > 1.0 V
Ho2 sensor circuit is open or shorted to the po ...
Warning / caution / note
Please read this manual and follow its instructions
carefully. To emphasize special information, the symbol
and the words warning, caution and note have
special meanings. Pay special attention to the messages
highlighted by these signal words.
Indicates a
potential hazard that could ...
Cylinder head related parts inspection
Refer to “cylinder head disassembly and assembly” .
Cylinder head distortion
Decarbonize the combustion chambers.
Check the gasket surface of the cylinder head for
distortion. Use a straightedge and thickness gauge.
Take clearance readings at several places. If
readings exceed the ...