Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT A/C COMPRESSOR

Remove the A/C compressor.
Disconnect the A/C compressor connector.

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

Standard Resistance

STANDARD RESISTANCE SPECIFICATIONS

Tester Connection	Condition	Specified Condition
E63-2 (SOL+) - E63-1 (SOL-)	20°C (68°F)	10 to 11 Ω

Fig 1: Identifying E63 Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE A/C COMPRESSOR (See REMOVAL )

OK: Go to next step

CHECK HARNESS AND CONNECTOR (A/C COMPRESSOR - BODY GROUND)

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

Standard Resistance

STANDARD RESISTANCE SPECIFICATIONS

Tester Connection	Condition	Specified Condition
E63-1 (SOL-) - Body ground	Always	Below 1 Ω

Fig 2: Identifying E63 Connector Terminals (SOL)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

CHECK HARNESS AND CONNECTOR (A/C COMPRESSOR - A/C AMPLIFIER)

Disconnect the A/C amplifier connector.

Fig 3: Identifying J58 Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Standard Resistance

STANDARD RESISTANCE SPECIFICATIONS

Tester Connection	Condition	Specified Condition
J58-5 (SOL+) - E63-2 (SOL+)	Always	Below 1 Ω
J58-5 (SOL+) - Body ground	Always	10 kΩ or higher

Fig 4: Identifying E63 Connector Terminals

Result

RESULT DESCRIPTION

Result	Proceed to
NG	A
OK (When troubleshooting Table)	B
OK (When troubleshooting according to the DTC)	C

B: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )

C: REPLACE A/C AMPLIFIER (See REMOVAL )

A: REPAIR OR REPLACE HARNESS OR CONNECTOR