If voltage is supplied to the circuit being checked, voltage check can be used as circuit check.
Voltage between
“a” and body ground: approx. 5 V
“b” and body ground: approx. 5 V
“c” and body ground: 0 V
Voltage between
“a” and body ground: approx. 5 V
“b” and body ground: approx. 5 V – 2 v voltage
drop
“c” and body ground: 3 v – 2 v voltage drop


Continuity check
Short circuit check (wire harness to ground)Specifications
Service data
Valve + guide
unit: mm (in)
Camshaft + cylinder head
unit: mm (in)
Cylinder + piston + piston ring
unit: mm (in)
Conrod + crankshaft
unit: mm (in)
Balancer
unit: mm (in)
Oil pump
Clutch
unit: mm (in)
Drive train
unit: mm (in) except ratio
...
DTC “c40” (p0505 / p0506 / p0507): isc
valve circuit malfunction
Detected condition and possible cause
Detected condition
Possible cause
C40/P0505
The circuit voltage of motor drive is
unusual.
Isc valve circuit open or shorted to ground.
Air passage clogged.
Isc valve is fixed.
Isc valve prese ...
Oil pump inspection
Inspect the oil pump in the following procedures:
remove the oil pump. Refer to “oil pump removal and installation” .
Rotate the oil pump by hand and check that it moves
smoothly. If it does not move smoothly, replace the
oil pump assembly.
Caution
do not attempt t ...