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

Component

Proceed to

Gateway ECU

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

Multi-display (Accessory meter)

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

Tape player

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

Stereo component amplifier

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

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 WHICH HAS STORED THIS CODE)

HINT:

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 which has stored this code.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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