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 CAMERA ASSEMBLY)

Disconnect the R26 connector from the radio and navigation assembly.
Disconnect the T11 connector from the television camera assembly.

Fig 1: Disconnecting R26 Connector From Radio & Navigation
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Measure the resistance according to the value(s) in TESTER CONNECTION SPECIFIED CONDITION .

Standard:

TESTER CONNECTION SPECIFIED CONDITION

Tester connection (Terminal No.)	Condition	Specified condition
CB+ (T11-1) - CA+ (R26-24)	Always	Below 1
CGND (T11-2) - CGND (R26-21)	Always	Below 1
CV+ (T11-4) - V+ (R26-22)	Always	Below 1
CV- (T11-3) - V- (R26-23)	Always	Below 1
CB+ (T11-1) - Body ground	Always	10 k or higher
CGND (T11-2) - Body ground	Always	10 k or higher
CV+ (T11-4) - Body ground	Always	10 k or higher
CV+ (T11-3) - Body ground	Always	10 k or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: GO TO NEXT STEP.

INSPECT RADIO AND NAVIGATION ASSEMBLY

Reconnect the radio and navigation assembly connector and television camera assembly connector.

Fig 2: Inspecting Radio & Navigation Assembly
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Standard:

TESTER CONNECTION SPECIFIED CONDITION

Tester connection (Terminal No.)	Condition	Specified condition
CB+ (T11-1) - CGND (T11-2)	IG SW ON, shift lever R position	Appox. 6 V

NG: REPLACE RADIO AND NAVIGATION ASSEMBLY

OK: REPLACE TELEVISION CAMERA ASSEMBLY