Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000028C5D
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [11/2022 -           ]
Title: HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Gasoline Model with Manual Air Conditioning System): P06A014; Compressor Solenoid Circuit Short to Ground or Open; 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]

DTC

P06A014

Compressor Solenoid Circuit Short to Ground or Open

DESCRIPTION

The compressor assembly with pulley receives refrigerant compression demand signals from the air conditioning amplifier assembly.

Based on this signal, the compressor assembly with pulley 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 assembly with pulley operating

Malfunction:

  • Open or short in compressor solenoid circuit

Detection Time:

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

Memorized

DTC Detection Condition Combination Table

 

Vehicle Condition

Pattern 1

Pattern 2

Diagnosis Condition

Compressor assembly with pulley 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

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 AIR CONDITIONING AMPLIFIER ASSEMBLY

(a) Disconnect the C85 compressor assembly with pulley connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 (SOL-) - 2 (SOL+)

Compressor temperature 25°C (77°F)

10.1 to 11.1 Ω

Result:

Proceed to

OK

NG

*a

Component without harness connected

(Compressor Assembly with Pulley)
NG

REPLACE COMPRESSOR ASSEMBLY WITH PULLEY

OK

3.

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

(a) Disconnect the C85 compressor assembly with pulley connector.

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

(c) 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