DTC Logic
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM SELF DIAGNOSTIC RESULT
With CONSULT
Is DTC “C1704”, “C1705”, “C1706”, or “C1707” detected? YES >> Proceed to WT-25, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.
1.CHECK DATA MONITOR
With CONSULT
Monitor item | Displayed value |
AIR PRESS FL | Approximately equal to value indicated on tire gauge for front LH tire |
AIR PRESS FR | Approximately equal to value indicated on tire gauge for front RH tire |
Monitor item | Displayed value |
AIR PRESS RR | Approximately equal to value indicated on tire gauge for rear RH tire |
AIR PRESS RL | Approximately equal to value indicated on tire gauge for rear LH tire |
Is the inspection result normal? YES >> Inspection End.
NO >> Repair or replace malfunctioning components.
Power windows do not operate with power window main switch
Diagnosis Procedure
1.Check bcm power supply and ground circuit
Check bcm power supply and ground circuit.
Refer to bcs-67, "diagnosis procedure" (with intelligent key) or bcs-120,
"diagnosis procedure" (without
intelligent key).
Is the inspection result normal?
Yes & ...
Symptom diagnosis
Squeak and rattle trouble diagnoses
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic
Worksheet during the interview to document the facts and conditions when the
noise occurs and any
custom ...
Cooling fan control
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
ECM controls cooling fan speed corresponding to vehicle speed, engine coolant
temperature, refrigerant pressure,
air conditioner ON signal. Then control system has 3-step control
[HIGH/LOW/OFF].
Cooling Fan Operation
Cooling Fan Relay Operation
Whe ...