
Switch
Never apply grease material to switch contact points to prevent damage.
Clamp
Ecm / various sensorsCombination meter inspection
Led inspection
Check that the leds “a” (fi, fuel, engine rpm, oil
pressure/engine coolant, immobilizer (e-02, 19, 24, 51)
and meter panel illumination) immediately light up when
the ignition switch is turned on.
Check that the other leds “b” (neutral, high-beam and
turn signal indicator ligh ...
Continuity check
Measure resistance across coupler “b” (between “a”
and “c” in figure).
If no continuity is indicated (infinity or over limit), the
circuit is open between terminals “a” and “c”.
Disconnect the coupler “b” and measure resistance
between couplers “a” and “b-1”.
If no continuity ...
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 ...