Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Compressor Solenoid Circuit Short to Ground or Open (P06A014)

DESCRIPTION

In this circuit, the compressor with pulley assembly receives refrigerant compression demand signals from the air conditioning amplifier assembly.

Based on this signal, the compressor with pulley assembly changes the amount of compressor output.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Memory

P06A014

Compressor Solenoid Circuit Short to Ground or Open

Diagnosis Condition:

  • Compressor operating

Malfunction Status:

  • Open or short in compressor solenoid circuit

Detection Time:

  • Continuously for 30 seconds or more
  • Compressor with pulley assembly
  • Harness or connector
  • Air conditioning amplifier assembly

Memorized

DTC Detection Condition Combination Table
 

Vehicle Condition

Pattern 1

Pattern 2

Diagnosis Condition

Compressor operating

Malfunction

Open in compressor solenoid circuit

-

Short in compressor solenoid circuit

-

Detection Time

Continuously for 30 seconds or more

Continuously for 30 seconds or more

Trip Count

1 trip

1 trip

HINT:

If the conditions of either of these patterns are detected, a DTC will be stored

WIRING DIAGRAM

PROCEDURE

1.

READ VALUE USING GTS

(a) Read the Data List according to the display on the GTS.

Body Electrical > Air Conditioner > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Solenoid Valve Control Current Value

Solenoid valve control current

Min.: 0 mA

Max.: 1000 mA

Value changes between 0 A and 0.997 A in accordance with solenoid valve operation

-

Body Electrical > Air Conditioner > Data List

Tester Display

Solenoid Valve Control Current Value

OK:

The display is as specified in the normal condition column.

OK

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY

NG

2.

INSPECT COMPRESSOR WITH PULLY ASSEMBLY

(a) Disconnect the compressor with pulley assembly connector.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

C85-1 (SOL-) - C85-2 (SOL+)

Compressor temperature 25°C (77°F)

10.1 to 11.1 Ω

*a

Component without harness connected

(Compressor with Pulley Assembly)

NG

REPLACE COMPRESSOR WITH PULLY ASSEMBLY

OK

3.

CHECK HARNESS AND CONNECTOR (COMPRESSOR WITH PULLEY ASSEMBLY - AIR CONDITIONING AMPLIFIER ASSEMBLY AND BODY GROUND)

(a) Disconnect the I49 air conditioning amplifier assembly connector.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

C85-2 (SOL+) - I49-18 (SOL+)

Always

Below 1 Ω

C85-1 (SOL-) - Body ground

Always

Below 1 Ω

C85-2 (SOL+) or I49-18 (SOL+) - Other terminals and body ground

Always

10 kΩ or higher

OK

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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