Detected condition and possible cause
Detected condition |
Possible cause |
|
C40/P0505 | The circuit voltage of motor drive is unusual. |
|
C40/P0506 | Idle speed is lower than the desired idle speed. | |
C40/P0507 | Idle speed is higher than the desired idle speed. |
Wiring diagram
Troubleshooting
Caution
|
Note after repairing the trouble, clear the dtc using sds tool. Refer to “use of sds diagnosis reset procedures” . |
Step |
Action |
Yes |
No |
1 |
Special tool Tester knob indication continuity test ( ) Ecm couplers (harness side) Is the continuity ok? |
Go to step 2. | Bl, y, g or br wire open |
2 |
Special tool
(a): 09900–25008 (multi
Tester knob indication resistance (Ω) Isc valve continuity ∞Ω¶ (infinity) (terminal . Ground)
Isc valve resistance approx. 80 Ω at 20 °c (68 °f) (terminal: “a” – terminal: “b”, terminal: “c” – terminal: “d”) Is the resistance ok? |
If wire is ok, intermittent trouble or faulty ecm. | Replace the isc valve with a new one. Refer to “throttle body removal and installation” in section 1d (page 1d- 10). |
Active control inspection (isc rpm control)
Check 1
Check 2
Check 3
Check 4
Note be careful not to increase the “spec” to 2 000 rpm, or the “engine speed” may reach the upper limit. |
If the isc valve does not function properly, inspect the isc valve or replace the isc valve. Refer to “dtc “c40” (p0505 / p0506 / p0507): isc valve circuit malfunction” or “throttle body disassembly and assembly” in section 1d .
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Starter torque limiter removal and
installation
Removal
Remove the clutch assembly. Refer to “clutch removal” in section 5c .
Remove the washer (1), starter idle gear no. 1 (2)
And starter torque limiter (3).
Installation
Installation is in the reverse order of removal. Pay
attention to the following point:
apply ...
Swingarm related parts inspection
Refer to “swingarm removal and installation” (page 2c-
9).
Spacers
Remove the collar and spacer from the swingarm.
Inspect the collars and spacer for wear and damage.
If any defects are found, replace them with new
ones.
Chain buffer
Inspect the chain buffer for wear and ...