PROCEDURE

(a) Check the radio automatic station search function.

(1) Check the radio automatic station search function by activating it.

Result

B

USE SIMULATION METHOD TO CHECK

A

(a) Check if any optional components that may decrease reception capacity, such as sunshade film or a telephone antenna, are installed.

Result

NOTICE:

Do not remove optional components without the permission of the customer.

B

REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE)

A

(a) Inspect the rear quarter window assembly (window glass antenna wire) (See page ).

NG

REPAIR REAR QUARTER WINDOW ASSEMBLY

OK

(a) Preparation for check (1) Remove the antenna connector from the navigation receiver assembly.

(b) Check for noise

(1) Turn the ignition switch to ACC with the navigation receiver assembly connector connected.

(2) Turn the radio on and tune into AM mode.

(3) Place a screwdriver, thin wire or other metal object on the navigation receiver assembly antenna jack and check that noise can be heard from the speakers.

OK:

Noise can be heard from the speakers.

NG

REPLACE NAVIGATION RECEIVER ASSEMBLY

OK

(a) Disconnect the navigation receiver assembly connector.

(b) Measure the voltage according to the value(s) in the table below. Standard Voltage: Tester Connection Switch Condition Specified Condition RA-5 (ANT+) - Body ground Ignition switch ACC Radio switch on and AM or FM selected 11 to 14 V Text in Illustration *a Component without harness connected (Navigation Receiver Assembly)

NG

REPLACE NAVIGATION RECEIVER ASSEMBLY

OK

(a) Disconnect the antenna cord sub-assembly connector from the navigation receiver assembly.

(b) Disconnect the antenna cord sub-assembly connector from the No. 2 antenna cord sub-assembly.

(c) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition RA-3 (MAIN) - 2 (MAIN) Always Below 1 Ω RA-5 (ANT+) - 3 (+B) Always Below 1 Ω RA-3 (MAIN) - Body ground Always 10 kΩ or higher RA-5 (ANT+) - Body ground Always 10 kΩ or higher Text in Illustration *a Front view of wire harness connector (to No. 2 Antenna Cord Sub-assembly) *b Front view of wire harness connector (to Navigation Receiver Assembly)

NG

REPLACE ANTENNA CORD SUB-ASSEMBLY

OK

(a) Disconnect the No. 2 antenna cord sub-assembly (roof headlining assembly) connector from the antenna cord sub-assembly.

(b) Disconnect the No. 2 antenna cord sub-assembly (roof headlining assembly) connector from the No. 1 amplifier antenna assembly.

(c) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 2 (MAIN) - 3 (MAIN) Always Below 1 Ω 3 (+B) - 1 (ANT+) Always Below 1 Ω 3 (MAIN) - Body ground Always 10 kΩ or higher 1 (ANT+) - Body ground Always 10 kΩ or higher Text in Illustration *a Front view of wire harness connector (to Antenna Cord Sub-assembly) *b Front view of wire harness connector (to No. 1 Amplifier Antenna Assembly)

NG

REPLACE ROOF HEADLINING ASSEMBLY

OK

(a) Replace the No. 1 amplifier antenna assembly and check if radio broadcasts can be received normally (See page ).

OK:

Radio broadcasts can be received normally.

OK

END (NO. 1 AMPLIFIER ANTENNA ASSEMBLY WAS DEFECTIVE)

NG

REPLACE NAVIGATION RECEIVER ASSEMBLY