Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSEMBLY - TELEVISION DISPLAY ASSEMBLY)

Disconnect the connectors from the television display assembly and radio and navigation assembly.

Measure the resistance according to the value(s) in TESTER CONNECTION SPECIFIED CONDITION .

Standard:

TESTER CONNECTION SPECIFIED CONDITION

Tester connection	Condition	Specified condition
CDR+ - R+	Always	Below 1
CDR- - R-	Always	Below 1
CDL+ - L+	Always	Below 1
CDL- - L-	Always	Below 1
CSLD - SG1	Always	Below 1
R- - Body ground	Always	10 k or higher
L+ - Body ground	Always	10 k or higher
L- - Body ground	Always	10 k or higher
R+ - Body ground	Always	10 k or higher
SG1 - Body ground	Always	10 k or higher

Fig 1: Disconnecting Connectors From Television Display Assembly & Radio & Navigation Assembly

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: GO TO NEXT STEP.

INSPECT TELEVISION DISPLAY ASSEMBLY

Reconnect the television display assembly connector and radio and navigation assembly connectors.

Check the waveform according to the conditions shown in Fig 2.

Fig 2: Inspecting Television Display Assembly

Standard:

TESTER CONNECTION SPECIFIED CONDITION

Tester connection	Condition	Specified condition
R+ - Body ground	Voice sound is being produced	A waveform synchronized with sound is output
R- - Body ground	Voice sound is being produced	A waveform synchronized with sound is output
L+ - Body ground	Voice sound is being produced	A waveform synchronized with sound is output
L- - Body ground	Voice sound is being produced	A waveform synchronized with sound is output

NG: REPLACE TELEVISION DISPLAY ASSEMBLY

OK: RETURN TO THE ORIGINAL INSPECTION BECAUSE THE CHECK RESULT IS NORMAL