DESCRIPTION
WIRING DIAGRAM
PROCEDURE
1. |
CHECK SPEAKER (OPERATION CHECK) |
(a) Enter the "System Check Mode" screen. Refer to Check Speaker in Operation
Check (See page |
|
(b) Perform the operation check above and determine the speaker that is not operating.
Result |
Proceed to |
---|---|
Front No. 1 speaker assembly or front No. 2 speaker assembly |
A |
Rear speaker assembly |
B |
HINT:
If sound cannot be heard from any speaker, inspect all of them.
B | ![]() |
GO TO STEP 7 |
|
2. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY) |
(a) Disconnect the E4 radio and display receiver assembly connector.
(b) Disconnect the E28 and E29 front No. 2 speaker assembly connectors.
(c) Measure the resistance between each of the front No. 2 speaker assemblies and the radio and display receiver assembly to check for an open circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E4-1 (FR+) - E28-2 (TWR+) |
Always |
Below 1 Ω |
E4-5 (FR-) - E28-4 (TWR-) |
Always |
Below 1 Ω |
E4-2 (FL+) - E29-2 (TWL+) |
Always |
Below 1 Ω |
E4-6 (FL-) - E29-4 (TWL-) |
Always |
Below 1 Ω |
(d) Measure the resistance between the radio and display receiver assembly and body ground to check for a short circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E4-1 (FR+) - Body ground |
Always |
10 kΩ or higher |
E4-5 (FR-) - Body ground |
Always |
10 kΩ or higher |
E4-2 (FL+) - Body ground |
Always |
10 kΩ or higher |
E4-6 (FL-) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
CHECK HARNESS AND CONNECTOR (FRONT NO. 1 SPEAKER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY) |
(a) Disconnect the E28 and E29 front No. 2 speaker assembly connectors.
(b) Disconnect the H1 and I1 front No. 1 speaker assembly connectors.
(c) Measure the resistance between each of the front No. 1 speaker assemblies and the front No. 2 speaker assemblies to check for an open circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E28-1 (+) - H1-1 |
Always |
Below 1 Ω |
E28-3 (-) - H1-2 |
Always |
Below 1 Ω |
E29-1 (+) - I1-1 |
Always |
Below 1 Ω |
E29-3 (-) - I1-2 |
Always |
Below 1 Ω |
(d) Measure the resistance between each of the front No. 2 speaker assemblies and body ground to check for a short circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E28-1 (+) - Body ground |
Always |
10 kΩ or higher |
E28-3 (-) - Body ground |
Always |
10 kΩ or higher |
E29-1 (+) - Body ground |
Always |
10 kΩ or higher |
E29-3 (-) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
INSPECT FRONT NO. 2 SPEAKER ASSEMBLY |
(a) Remove the front No. 2 speaker assembly (See Page
).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPLACE FRONT NO. 2 SPEAKER ASSEMBLY |
|
5. |
REPLACE FRONT NO. 2 SPEAKER ASSEMBLY |
(a) Check that the malfunction disappears when a new or known good speaker is
installed (See page ).
OK:
Malfunction disappears.
HINT:
OK | ![]() |
END (FRONT NO. 2 SPEAKER ASSEMBLY WAS DEFECTIVE) |
|
6. |
INSPECT FRONT NO. 1 SPEAKER ASSEMBLY |
(a) Remove the front No. 1 speaker assembly (See page
).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY |
7. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVERASSEMBLY - REAR SPEAKER ASSEMBLY) |
(a) Disconnect the E5 radio and display receiver assembly connector.
(b) Disconnect the J4 and K4 rear speaker assembly connectors.
(c) Measure the resistance between each of the rear speaker assemblies and the radio and display receiver assembly to check for an open circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E5-1 (RR+) - J4-1 |
Always |
Below 1 Ω |
E5-3 (RR-) - J4-2 |
Always |
Below 1 Ω |
E5-2 (RL+) - K4-1 |
Always |
Below 1 Ω |
E5-6 (RL-) - K4-2 |
Always |
Below 1 Ω |
(d) Measure the resistance between the radio and display receiver assembly and body ground to check for a short circuit in the wire harness.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E5-1 (RR+) - Body ground |
Always |
10 kΩ or higher |
E5-3 (RR-) - Body ground |
Always |
10 kΩ or higher |
E5-2 (RL+) - Body ground |
Always |
10 kΩ or higher |
E5-6 (RL-) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
8. |
INSPECT REAR SPEAKER ASSEMBLY |
(a) Remove the rear speaker assembly (See Page
).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPLACE REAR SPEAKER ASSEMBLY |
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
When installing the mouldings, heat the vehicle body and mouldings using a heat
light.
Heating Temperature
Item
Temperature
Vehicle Body
40 to 60°C (104 to 140 ...
Selecting the units
Press the “US/M-M” button.
The unit changes each time the button is pressed.
- Liquid crystal display
Small spots or light spots may appear on the display. This phenomenon is characteristic
of liquid crystal displays, and there is no problem to ...
Reassembly
REASSEMBLY
CAUTION / NOTICE / HINT
NOTICE:
Before installation, apply high temperature grease to the parts indicated by
arrows (See page ).
PROCEDURE
1. INSTALL NO. 2 PARKING BRAKE SHOE HOLD DOWN SPRING PIN (for 2WD)
(a) Install the No. 2 p ...