AIR CONDITIONER CONTROL SIGNAL — Description / Reference Values / On Board Diagnosis Logic / DTC Confirmation Procedure
AT-7111prose procedureNo P-code listed — only the CONSULT-II keyword 'A/C CTRL SIG' and a flicker-code identifier '7th judgement flicker'. Grammar of the malfunction string ('TCM does not the proper voltage.') is verbatim from the source — likely missing 'receive'.
Description
NOTE
Turn off the air conditioner compressor, when hard braking.
CONSULT-II Reference Value in Data Monitor Mode
NOTE
Remarks: Specification data are reference value.
A/C CTRL SIG
ConditionWhen ABS operates.
SpecificationBattery voltage
A/C CTRL SIG
ConditionWhen ABS does not operates.
SpecificationApproximately. 0V
TCM Terminals and Reference Value
NOTE
Remarks: Specification data are reference value.
19
Wire colorW
ItemAir conditioner control signal
ConditionWhen ABS operates.
Judgement standard (Approx.)Battery voltage
19
Wire colorW
ItemAir conditioner control signal
ConditionWhen ABS does not operates.
Judgement standard (Approx.)0V
On Board Diagnosis Logic
CONSULT-II screen text
IdentifierA/C CTRL SIG
Malfunction is detected when ...TCM does not the proper voltage.
Check items (Possible cause)Harness or connectors (The Air conditioner circuit is open or shorted.); Air conditioner relay
Flicker code (no DTC number)
Identifier7th judgement flicker
Malfunction is detected when ...TCM does not the proper voltage.
Check items (Possible cause)Harness or connectors (The Air conditioner circuit is open or shorted.); Air conditioner relay
Diagnostic Trouble Code (DTC) Confirmation Procedure
CAUTION
Always drive vehicle at a safe speed.
NOTE
If "DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch "OFF" and wait at least 5 seconds before conducting the next test.
NOTE
After the repair, perform the following procedure to confirm the malfunction is eliminated.
With CONSULT-II
- 1Turn ignition switch "ON" and select "DATA MONITOR" mode for "ENGINE" with CONSULT-II. If the check result is NG, go to "Diagnostic Procedure", AT-7112.
SAT651J - 2Start engine and maintain the following conditions for at least 5 consecutive seconds. (Continued on AT-7112.)