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Radio Receiver Power Source Circuit

DESCRIPTION

This circuit provides power to the radio receiver. WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT RADIO RECEIVER

Wire Harness View (12 Speaker):

GND^ ACC Wire Harness View

GND^ ACC Wire Harness View

ACC

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

ACC GND

E126139E02

(a) Disconnect the radio receiver E12 or E13 connector.

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

Standard resistance

Tester connection

Condition

Specified condition

GND - Body ground

Always

Below 1 Q

(c) Measure the voltage according to the value(s) in the table below. Standard voltage

Tester connection

Condition

Specified condition

B - GND

Always

10 to 14 V

ACC - GND

Ignition switch on (ACC)

10 to 14 V

REPAIR OR REPLACE HARNESS OR CONNECTOR

Stereo Component Amplifier Power Source Circuit

DESCRIPTION

This circuit provides power to the stereo component amplifier.

WIRING DIAGRAM

From Battery

From ACC Relay

RADIO No. 2

Stereo Component Amplifier

RADIO No. 2

From ACC Relay

/

INSPECTION PROCEDURE

INSPECT STEREO COMPONENT AMPLIFIER

Wire Harness View:

(a) Disconnect the stereo component amplifier E19, E20, and E26 connectors.

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

Standard resistance

Tester connection

Condition

Specified condition

GND - Body ground

Always

Below 1 Q

GND2 - Body ground

Always

Below 1 Q

(c) Measure the voltage according to the value(s) in the table below. Standard voltage

Tester connection

Condition

Specified condition

B+-GND

Always

10 to 14 V

+B2-GND

Always

10 to 14 V

ACC - GND

Ignition switch on (ACC)

REPAIR OR REPLACE HARNESS OR CONNECTOR

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

Multi-display Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the multi-display (accessory meter). WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT MULTI-DISPLAY (ACCESSORY METER)

Wire Harness View:

GND1

ru-LH

CE75

(a) Disconnect the multi-display (accessory meter) E7 connector.

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

Standard resistance

Tester connection

Condition

Specified condition

GND1 - Body ground

Always

Below 1 Q

SG - Body ground

Always

Below 1 Q

(c) Measure the voltage according to the value(s) in the table below. Standard voltage

Tester connection

Condition

Specified condition

+B-GND1

Always

10 to 14 V

ACC-GND1

Ignition switch on (ACC)

10 to 14 V

IG - GND1

Ignition switch on (IG)

REPAIR OR REPLACE HARNESS OR CONNECTOR

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

Gateway ECU Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the gateway ECU. WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT GATEWAY ECU

Wire Harness View:

ACC BATT

ACC BATT

(a) Disconnect the gateway ECU connector E23.

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

Standard resistance

Tester connection

Condition

Specified condition

GND - Body ground

Always

Below 1 Q

(c) Measure the voltage according to the value(s) in the table below. Standard voltage

Tester connection

Condition

Specified condition

BATT-GND

Always

10 to 14 V

ACC-GND

Ignition switch on (ACC)

10 to 14 V

IG - GND

Ignition switch on (IG)

10 to 14 V

REPAIR OR REPLACE HARNESS OR CONNECTOR

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

Tape Player Power Source Circuit

DESCRIPTION

This circuit provides power to the tape player. WIRING DIAGRAM

Tape Player

From Battery

From Battery

/

From ACC Relay

RADIO No. 2

From ACC Relay

<E23

GND5

E121223E04

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