Inspection Procedure

READ VALUE OF INTELLIGENT TESTER (REG CTRL CURRNT)

DATA LIST / AIR CONDITIONER

(a) Connect the intelligent tester with CAN VIM to the DLC3.

(b) Turn the ignition switch ON and turn the intelligent tester main switch ON.

(c) Select the items below in the DATA LIST, and read the value displayed on the intelligent tester.

ITEM

Measurement Item / Display

Normal Condition

Diagnostic Note

REG CTRL CURRNT (Regulator control current)

Regulator control current / Min.: 0 A Max.: 0.997 A

Value changes between 0 A and 0.997 A in accordance with compressor and pulley operation

-

The display is as specified in the normal condition column.

Result

Result

Proceed to

NG

A

OK (Checking from the PROBLEM SYMPTOMS TABLE)

B

OK (Checking from the DTC)

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

REPLACE AIR CONDITIONING AMPLIFIER

INSPECT COMPRESSOR AND PULLEY

(a) Disconnect the C8 compressor and pulley connector.

(b) Measure the resistance. Standard resistance

Tester Connection

Specified Condition

C8-1 - C8-2

10.1 to 11.1 Q at 25°C (77°F)

(c) Reconnect the compressor and pulley connector.

REPLACE COMPRESSOR AND PULLEY

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

Wire Harness Side:

Compressor and Pulley Connector

Front View

Front View

Air Conditioning Amplifier Connector w/o PTC Heater a

SOL+

w/ PTC Heater

SOL+

w/ PTC Heater

(a) Disconnect the C8 compressor and pulley connector.

(b) Disconnect the E8 air conditioning amplifier connector.

(c) Measure the resistance. Standard resistance

Tester Connection

Specified Condition

C8-1 - E8-7 (SOL+)

Below 1 Q

C8-1 - Body ground

10 kQ or higher

(d) Reconnect the compressor and pulley connector.

(e) Reconnect the air conditioning amplifier connector.

REPAIR OR REPLACE HARNESS OR CONNECTOR

CHECK HARNESS AND CONNECTOR (COMPRESSOR AND PULLEY - BODY GROUND)

(a) Disconnect the C8 compressor and pulley connector.

(b) Measure the resistance. Standard resistance

Tester Connection

Specified Condition

C8-2 - Body ground

Below 1 Q

(c) Reconnect the compressor and pulley connector.

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE AIR CONDITIONING AMPLIFIER

B1499/99

Do It Yourself Car Diagnosis

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