Detected condition and possible cause
|
Detected condition |
Possible cause |
|
|
C41/P2505 |
No voltage is applied to the ecm. |
|
Wiring diagram

Troubleshooting
| Caution when using the multi-circuit tester, do not strongly touch the terminal of the ecm coupler with a needle pointed tester probe to prevent terminal damage. |
| 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 voltage ( ) Ecm input voltage battery voltage ((+) terminal: “10” – (–) terminal: ground) Ecm couplers (harness side)
Is the voltage ok? |
|
Open or short circuit in the r/bl wire. |
DTC “c41” (p0230-h/l): fp relay circuit
malfunction
DTC “c42” (p1650): ig switch circuit
malfunctionDTC “c28” (p1655): secondary throttle
valve actuator (stva) malfunction
Detected condition and possible cause
Detected condition
Possible cause
The operation voltage does not reach the stva.
Ecm does not receive communication signal from the
stva. Stva can not operate properly or its motor locked
Stva malfunction.
...
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 ...
Headlight bulb and position light bulb
replacement
Caution
when you touch the bulb with your bare
hands, clean the bulb with a cloth moistened
with alcohol or soap water to prevent
premature bulb failure.
Low beam bulb
Remove the combination meter. Refer to “combination meter removal and
installation” in section 9c .
...