Diagnosis and repair work flow
Work flow
Overall sequence
Detailed flow
1.Get information for symptom
>> Go to 2.
2.Check dtc
Are any symptoms described and any dtc detected? Symptom is described, dtc is detected>>go to 3.
Symptom is described, dtc is not detected>>go to 4.
Symptom is not described, dtc is detected>>go to 5.
3.Confirm the symptom
Try to confirm the symptom described by the customer.
Also study the normal operation and fail-safe related to the symptom.
Verify relation between the symptom and the condition when the symptom is detected.
>> GO TO 5.
4.Confirm the symptom
Try to confirm the symptom described by the customer.
Verify relation between the symptom and the condition when the symptom is detected.
Note:
Freeze frame data is useful if the dtc is not detected.
>> Go to 6.
5.Perform dtc confirmation procedure
Perform dtc confirmation procedure for the detected dtc, and then check that dtc is detected again. At this time, always connect consult to the vehicle, and check self diagnostic results in real time.
If two or more dtcs are detected, refer to bcs-48, "dtc inspection priority chart", and determine trouble diagnosis order.
Is dtc detected? Yes >> go to 7.
No >> refer to gi-39, "intermittent incident".
6.Detect malfunctioning system by symptom diagnosis
Detect malfunctioning system according to symptom diagnosis based on the confirmed symptom in step 4, and determine the trouble diagnosis order based on possible causes and symptom.
Is the symptom described? Yes >> go to 7.
No >> monitor input data from related sensors or check voltage of related module terminals using consult.
7.Detect malfunctioning part by diagnosis procedure
Inspect according to diagnosis procedure of the system.
Is malfunctioning part detected? Yes >> go to 8.
No >> refer to gi-39, "intermittent incident".
8.Repair or replace the malfunctioning part
>> Go to 9.
9.Final check
When DTC is detected in step 2, perform DTC CONFIRMATION PROCEDURE again, and then check that the malfunction is repaired securely.
When symptom is described by the customer, refer to confirmed symptom in step 3 or 4, and check that the symptom is not detected.
Is DTC detected and does symptom remain? YES-1 >> DTC is detected: GO TO 7.
YES-2 >> Symptom remains: GO TO 4.
NO >> Inspection End.
Interior room lamp control circuit
Description
Controls each interior room lamp (ground side) by pwm signal.
Note:
Pwm signal control period is approximately 250 hz (in the gradual
brightening/dimming).
Component function check
Caution:
Before performing the diagnosis, check that the following are normal.
Interior room l ...
Passenger side door mirror defogger
Description
Heats the heating wire with the power supply from the rear window defogger
relay to prevent the door mirror
from fogging up.
Component function check
1.Check door mirror defogger rh
Check that the heating wire of door mirror defogger rh is heated when turning
the rear window de ...
Windshield wiper and washer switch
Switch operation
Type A
Type B
The windshield wiper and washer operates when
the ignition switch is placed in the ON position.
Push the lever down to operate the wiper at the
following speed:
Intermittent (INT) — intermittent operation
can be adjusted by turning the knob A .
Lo ...