Toyota Tundra. Manual — part 579
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Result
NAVIGATION RECEIVER RESULT CHART
B: REPLACE NAVIGATION RECEIVER (see REMOVAL (For Column Shift Type) )
C: REPLACE NAVIGATION RECEIVER (see REMOVAL (For Floor Shift Type) )
A: Go to Next Step
2. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER - ROOF CONSOLE BOX)
a. Disconnect the K7 receiver connector.
b. Disconnect the W7 console connector.
c. Measure the resistance according to the value(s) in the table below.
Standard resistance
HARNESS AND CONNECTOR (NAVIGATION RECEIVER - ROOF CONSOLE BOX)
TESTER CONNECTION SPECIFIED CONDITION
Result
Proceed to
OK
A
NG (for Column Shift Type)
B
NG (for Floor Shift Type)
C
Tester Connection
Condition Specified Condition
K7-17 (MACC) - W7-10 (ACC)
Always
Below 1 ohms
K7-19 (MIC+) - W7-9 (MI1+)
K7-20 (MIC-) - W7-8 (MIC-)
K7-17 (MACC) - Body ground
Always
10 kohms or higher
K7-19 (MIC+) - Body ground
K7-20 (MIC-) - Body ground
2009 Toyota Tundra
2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra
Fig. 433: Identifying K7 Receiver Connector And W7 Console Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to Next Step
3. CHECK NAVIGATION RECEIVER (MACC VOLTAGE)
a. Reconnect the K7 receiver connector.
b. Measure the voltage according to the value(s) in the table below.
Standard voltage
NAVIGATION RECEIVER (MACC VOLTAGE) TESTER CONNECTION SPECIFIED
CONDITION
Tester Connection
Switch Condition Specified Condition
K7-17 (MACC) - Body ground Ignition switch ACC
4 to 6V
2009 Toyota Tundra
2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra
Fig. 434: Identifying K7 Receiver Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Result
NAVIGATION RECEIVER (MACC VOLTAGE) RESULT CHART
B: REPLACE NAVIGATION RECEIVER (see REMOVAL (For Column Shift Type) )
C: REPLACE NAVIGATION RECEIVER (see REMOVAL (For Floor Shift Type) )
A: Go to Next Step
4. REPLACE MICROPHONE AMPLIFIER WITH ANOTHER AND CHECK
a. Replace the microphone amplifier with a normal one (see REMOVAL ).
b. Check if the same problem occurs again.
OK: Malfunction disappears
NG: REPLACE MICROPHONE AMPLIFIER ASSEMBLY (See REMOVAL )
OK: END (MICROPHONE AMPLIFIER IS FAULTY)
STEREO COMPONENT AMPLIFIER COMMUNICATION ERROR
INSPECTION PROCEDURE
1. IDENTIFY COMPONENT SHOWN BY SUB-CODE
a. Enter the diagnostic mode.
b. Press the "LAN Mon" switch to change to "LAN Monitor" mode.
c. Identify the component shown by the sub-code.
Result
Proceed to
OK
A
NG (for Column Shift Type)
B
NG (for Floor Shift Type)
C
2009 Toyota Tundra
2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra
HINT:
"140 (navigation receiver)" is the component shown by the sub-code in the example shown in
the illustration.
The sub-code will be indicated by its physical address.
For the component list, refer to "DIAGNOSIS DISPLAY DETAILED DESCRIPTION" .
Fig. 435: Display - System Check Mode
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2. CHECK POWER SOURCE CIRCUIT OF COMPONENT SHOWN BY SUB-CODE
a. Inspect the power source circuit of the component shown by the sub-code.
Component table
POWER SOURCE CIRCUIT OF COMPONENT SHOWN BY SUB-CODE COMPONENT
2009 Toyota Tundra
2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст