Jl

nou I

*1: SEEK TRACK DOWN *2: SEEK TRACK UP *3: PRESET SWITCH "2" *4: PRESET SWITCH "3"

Detailed Information Mode

P 440

*1

*2

COd

E

*1

1

*2

•1__LJ

Component shown by the sub-code

Continues to display detailed information of the first code.

*1 f |*2 Continues to display detailed information when more DTCs are detected.

(b) Press the preset switch "3" to change to "Detailed Information Mode".

(c) Identify the component shown by the sub-code. HINT:

• "190 (radio receiver)" is the component shown by the subcode in the example shown in the illustration.

ljnextj

For details of the DTC display, refer to "DTC CHECK/ CLEAR" (See page AV-18).

CHECK POWER SOURCE CIRCUIT OF COMPONENT SHOWN BY SUB-CODE

(a) Inspect the power source circuit of the component shown by the sub-code.

If the power source circuit is operating normally, proceed to the next step.

Component Table:

Component

Proceed to

Gateway ECU (1C6)

Gateway ECU power source circuit (See page AV-153)

Stereo component amplifier (440)

Stereo component amplifier power source circuit (See page AV-149)

Multi-display (Accessory meter) (1D4)

Multi-display power source circuit (See page AV-151)

Tape player (320)

Tape player power source circuit (See page AV-155 )

NEXT

INSPECT RADIO RECEIVER

Wire Harness View (12 Speaker):

ATX+ Wire Harness View (9 Speaker, 6 CD Type):

ATX-

ATX+ Wire Harness View (9 Speaker, 6 CD Type):

Wire Harness View (9 Speaker, 1 CD Type):

E126126E02

(a) Disconnect the radio receiver connectors.

(b) Measure the resistance according to the value(s) in the table below.

Standard resistance

Tester Connection

Condition

Specified Condition

TX+ (E15-9) - TX- (E15-10)

Always

60 to 80 Q

TXM+ (E17-9) - TXM-(E17-10) (*1)

Always

60 to 80 Q

ATX+ (E12-5) - ATX-(E12-15) (*2)

Always

60 to 80 Q

*1: with Tape Player *2: for 12 Speaker System

REPLACE RADIO RECEIVER

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - COMPONENT SHOWN BY SUB-CODE)

HINT:

Start the check from the circuit that is near the component shown by the sub-code first.

For details of the connectors, refer to "TERMINALS OF ECU" (See page AV-13).

(a) Referring to the AVC-LAN wiring diagram below, check the AVC-LAN circuit between the radio receiver and the component shown by the sub-code.

(1) Disconnect all connectors between the radio receiver and the component shown by sub-code.

(2) Check for an open or short in the AVC-LAN circuit between the radio receiver and the component shown by the sub-code.

There is no open or short circuit.

AVC-LAN WIRING DIAGRAM

Radio Receiver (*1)

TX+

124)—

—(H7

TXM+

ATX+

TX-

124»—

—d^

TXM-TX+

ATX-TX-

9 (E15)

10(E15)

¡E23)—

ii (et)

13 E7

GTX+

-cet:

TX1 + TX+

TX1-

GTX-

E3)—

-CEC

TX-

15 7

Multi-display (Accessory Meter) (*2)

15 7

Stereo Component Amplifier (*2, *3) 8

*1: Master Unit

*2: Slave Unit

*3: for 12 Speaker System

Multi-display (Accessory Meter) (*2)

E124057E04

REPLACE COMPONENT SHOWN BY SUB-CODE

(a) Replace the component shown by the sub-code with a normal one and check if the same problem occurs again. OK:

Same problem does not occur.

REPLACE RADIO RECEIVER

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