DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred).
>> GO TO 2.
2.CHECK DTC
Is any symptom described and any DTC detected? Symptom is described, DTC is displayed>>GO TO 3.
Symptom is described, DTC is not displayed>>GO TO 4.
Symptom is not described, DTC is displayed>>GO TO 5.
3.CONFIRM THE SYMPTOM
Confirm the symptom described by the customer.
Connect CONSULT to the vehicle in “Data Monitor” mode and check real-time diagnosis results.
Verify relation between the symptom and the condition when the symptom is detected.
>> GO TO 5.
4.CONFIRM THE SYMPTOM
Confirm the symptom described by the customer.
Connect CONSULT to the vehicle in “Data Monitor ” mode and check real-time diagnosis results.
Verify relation between the symptom and the condition when the symptom is detected.
>> GO TO 6.
5.PERFORM DTC CONFIRMATION PROCEDURE
Perform DTC Confirmation Procedure for the displayed DTC, and then check that DTC is detected again.
If two or more DTCs are detected, refer to BCS-107, "DTC Inspection Priority Chart" (BCM) and determine trouble diagnosis order.
Is DTC detected? YES >> GO TO 7.
NO >> Refer to GI-41, "Intermittent Incident".
6.DETECT MALFUNCTIONING SYSTEM BY SYMPTOM TABLE
Detect malfunctioning system according to Symptom Table based on the confirmed symptom in step 4.
>> GO TO 7.
7.DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE Inspect according to Diagnostic Procedure of the system.
NOTE: The Diagnostic Procedure is described based on open circuit inspection. A short circuit inspection is also required for the circuit check in the Diagnostic Procedure.
>> GO TO 8.
8.REPAIR OR REPLACE THE MALFUNCTIONING PART
>> GO TO 9.
9.FINAL CHECK
When DTC was detected in step 8, perform DTC Confirmation Procedure or Component Function Check again, and then check that the malfunctions have been fully repaired.
When symptom was described by the customer, refer to the confirmed symptom in step 3 or 4, and check that the symptom is not detected.
Does the symptom reappear? YES (DTC is detected)>>GO TO 7.
YES (Symptom remains)>>GO TO 6.
NO >> Inspection End.
INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement
Refer to the CONSULT Immobilizer mode and follow the on-screen instructions.
ECM RE-COMMUNICATING FUNCTION
ECM RE-COMMUNICATING FUNCTION : Description
Performing following procedure can automatically perform re-communication of ECM and BCM, but only when the ECM has been replaced with a new one (*1).
*1: New one means an ECM which has never been energized on-board.
(In this step, initialization procedure by CONSULT is not necessary)
NOTE:
ECM RE-COMMUNICATING FUNCTION : Special Repair Requir
1.PERFORM ECM RE-COMMUNICATING FUNCTION
*2: To perform this step, use the key that has been used before performing ECM replacement.
Can engine be started? YES >> Procedure is completed.
NO >> Initialize control unit. Refer to CONSULT Immobilizer mode and follow the on-screen instructions.
KEYFOB ID REGISTRATION
Description
Perform the following procedure after BCM is replaced or when new keyfob ID is registered
Work Procedure
1.STEP 1
Insert the first key into the ignition cylinder.
>> GO TO 2.
2.STEP 2
Turn ON the ignition switch.
>> GO TO 3.
3.STEP 3
Check that the security indicator flashes 5 times after the ignition is turned ON.
>> GO TO 4.
4.STEP 4
Turn the ignition switch OFF for a minimum of 3 seconds.
>> GO TO 5.
5.STEP 5
The first key has been registered.
>> GO TO 6.
6.STEP 6
Remove the first key and insert the next key to be registered.
>> GO TO 7.
7.STEP 7
Repeat steps 2,3 and 4 for each additional key.
>> Registration End.
C1170 variant coding
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1170
VARIANT CODING
When the information in ABS actuator and electric
unit (control unit) is not the same.
ABS actuator and electric unit
(control unit)
DTC ...
Component parts
Component Parts Location
Instrument lower panel LH
No.
Component
Function
1
Combination meter
The combination meter transmittes the following signal via CAN
communications
to the TCM.
SPORT mode switch signal
...
Fluid cooler hose
Exploded View
COMPONENT PARTS LOCATION
Transaxle assembly
Fluid cooler hose A
Hose clamp
Fluid cooler hose B
CVT oil warmer
To radiator
: Always replace after every
disassembly.
Removal and Installation
REMOVAL
NOTE:
When removing components such as hoses, tubes/lines, ...