Work Procedure
The purpose of the operation inspection is to check that the individual system operates normally.
Check condition : Engine running at normal operating temperature.
1.CHECK FRONT BLOWER MOTOR
Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 8.
2.CHECK DISCHARGE AIR
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 8.
3.CHECK INTAKE AIR
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 8.
4.CHECK COMPRESSOR
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 8.
5.CHECK DISCHARGE AIR TEMPERATURE
Is the inspection result normal?
YES >> GO TO 6.
NO >> GO TO 8.
6.CHECK TEMPERATURE DECREASE
Is the inspection result normal?
YES >> GO TO 7.
NO >> GO TO 8.
7.CHECK TEMPERATURE INCREASE
Is the inspection result normal?
YES >> INSPECTION END
NO >> GO TO 8.
8.CHECK SELF-DIAGNOSIS WITH CONSULT
Is any DTC detected?
YES >> Perform trouble diagnosis for the detected DTC.
NO >> Refer to HAC "Symptom Table" and perform the appropriate diagnosis.
DTC/CIRCUIT DIAGNOSIS
Diagnosis and repair workflowWorkflow OVERALL SEQUENCE DETAILED FLOW 1.INTERVIEW CUSTOMER Interview the customer to obtain as much information as possible about the conditions and environment under which the malfunctio ...

Component Function Check 1.CHECK A/C ON SIGNAL With CONSULT Turn ignition switch ON. Operate front blower motor. Select "AIR CONDITIONER" of "BCM" using CONSULT. Select "AIR COND SW" in ...
Additional service when replacing
ECM
Description
When replacing ECM, the following procedure must be performed.
PROGRAMMING OPERATION
NOTE:
After replacing with a blank ECM, programming is required to write ECM
information. Be sure to follow the procedure
to perform the programming.
Work Procedure
1.CHECK ECM PART NUMBER
Che ...
P2858 Clutch B pressure
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P2858
Clutch B pressure engagement
performance
The auxiliary gearbox gear ratio is 2.232 or
more for the auxiliary gearbox 2GR ratio continuously
for 5 seconds ...