Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

CONFIRM MODEL

Check the audio models.

Result

RESULT CHART

Result	Proceed to
Premium Sound Models	A
Standard Models	B

B:Go to step 11

A: Go to Next Step

CHECK SPEAKER

Check that the speakers sound.

Result

RESULT CHART

Result	Proceed to
Front No. 1 speaker does not operate	A
Front No. 2 speaker does not operate	B
Rear No. 1 speaker does not operate	C
Stereo component speaker rear does not operate	D
All speakers do not operate	E

B:Go to step 5

C:Go to step 7

D:Go to step 9

E: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

A: Go to Next Step

CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - FRONT NO. 1 SPEAKER)

Disconnect the L14 amplifier connector.
Disconnect the H1 (*1) or G1 (*2) speaker connector.

Measure the resistance of the wire harness side connectors.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
L14-1 (FL-) - H1-2 (*1)	Below 1 Ω
L14-2 (FL+) - H1-1 (*1)	Below 1 Ω
L14-3 (FR-) - G1-2 (*2)	Below 1 Ω
L14-9 (FR+) - G1-1 (*2)	Below 1 Ω
L14-3 (FR-) - Body ground	10 kΩ or higher
L14-9 (FR+) - Body ground	10 kΩ or higher
L14-1 (FL-) - Body ground	10 kΩ or higher
L14-2 (FL+) - Body ground	10 kΩ or higher
HINT: 1: for LH 2: for RH

Fig 1: Identifying L14 Amplifier Connector And H1 Or G1 Speaker Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

INSPECT FRONT NO. 1 SPEAKER

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
1 - 2	2.6 Ω

Fig 2: Identifying Front No. 1 Speaker Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE FRONT NO. 1 SPEAKER ASSEMBLY

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - FRONT NO. 2 SPEAKER)

Disconnect the L15 amplifier connector.
Disconnect the G7 (*1) or H6 (*2) speaker connector.

Measure the resistance of the wire harness side connectors.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
L15-6 (FR-) - G7-2 (*1)	Below 1 Ω
L15-2 (FR+) - G7-1 (*1)	Below 1 Ω
L15-7 (FL-) - H6-2 (*2)	Below 1 Ω
L15-8 (FL+) - H6-1 (*2)	Below 1 Ω
L15-6 (FR-) - Body ground	10 kΩ or higher
L15-2 (FR+) - Body ground	10 kΩ or higher
L15-7 (FL-) - Body ground	10 kΩ or higher
L15-8 (FL+) - Body ground	10 kΩ or higher
HINT: 1: for RH 2: for LH

Fig 3: Identifying L15 Amplifier Connector And H6 Or G7 Speaker Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

INSPECT FRONT NO. 2 SPEAKER

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
1 - 2	2.5 Ω

Fig 4: Identifying Front No. 2 Speaker Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE FRONT NO. 2 SPEAKER ASSEMBLY

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - REAR NO. 1 SPEAKER)

Disconnect the L15 amplifier connector.
Disconnect the J2 (*1) or I2 (*2) speaker connector.

Measure the resistance of the wire harness side connectors.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
L15-3 (RL+) - J2-1 (*1)	Below 1 Ω
L15-9 (RL-) - J2-2 (*1)	Below 1 Ω
L15-10 (RR+) - I2-1 (*2)	Below 1 Ω
L15-4 (RR-) - I2-2 (*2)	Below 1 Ω
L15-3 (RL+) - Body ground	10 kΩ or higher
L15-9 (RL-) - Body ground	10 kΩ or higher
L15-10 (RR+) - Body ground	10 kΩ or higher
L15-4 (RR-) - Body ground	10 kΩ or higher
HINT: 1: for LH 2: for RH

Fig 5: Identifying L15 Amplifier Connector And J2 Or 12 Speaker Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

INSPECT REAR NO. 1 SPEAKER

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
1 - 2	3.1 Ω

Fig 6: Identifying Rear No. 1 Speaker Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE REAR NO. 1 SPEAKER ASSEMBLY

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER - STEREO COMPONENT SPEAKER REAR)

Disconnect the L14 amplifier connector.
Disconnect the Q5 speaker connector.

Measure the resistance of the wire harness side connectors.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
L14-5 (WFL+) - Q5-1 (WF+)	Below 1 Ω
L14-12 (WFL-) - Q5-2 (WF-)	Below 1 Ω
L14-10 (WFR-) - Q5-3 (WF-)	Below 1 Ω
LU-4 (WFR+) - Q5-4 (WF+)	Below 1 Ω
L14-5 (WFL+) - Body ground	10 kΩ or higher
L14-12 (WFL-) - Body ground	10 kΩ or higher
L14-10 (WFR-) - Body ground	10 kΩ or higher
L14-4 (WFR+) - Body ground	10 kΩ or higher

Fig 7: Identifying L14 Amplifier Connector And Q5 Speaker Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

INSPECT STEREO COMPONENT SPEAKER ASSEMBLY REAR

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
1 - 4	Approx. 2 Ω

Fig 8: Identifying Rear Stereo Component Speaker Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE STEREO COMPONENT SPEAKER ASSEMBLY REAR

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

CHECK SPEAKER

Check that the speakers sound.

Result

RESULT CHART

Result	Proceed to
Front No. 1 speaker does not operate	A
Front No. 2 speaker does not operate	B
Rear No. 1 speaker does not operate	C
All speakers do not operate	D

B:Go to step 14

C:Go to step 16

D: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

A: Go to Next Step

INSPECT FRONT NO. 2 SPEAKER ASSEMBLY
1. Check that the front No. 2 speaker sounds.
  OK: Speaker sounds.
NG:Go to step 14

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR (FRONT NO. 1 SPEAKER - FRONT NO. 2 SPEAKER)

Disconnect the H1 (*1) and H7 (*1), or G1 (*2) and G8 (*2) speaker connectors.

Measure the resistance of the wire harness side connectors.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
H7-3 (+) - H1-1 (*1)	Below 1 Ω
H7-1 (-) - H1-2 (*1)	Below 1 Ω
G8-3 (+) - G1-1 (*2)	Below 1 Ω
G8-1 (-) - G1-2 (*2)	Below 1 Ω
H7-3 (+) - Body ground	10 kΩ or higher
H7-1 (-) - Body ground	10 kΩ or higher
G8-3 (+) - Body ground	10 kΩ or higher
G8-1 (-) - Body ground	10 kΩ or higher
HINT: 1: for LH 2: for RH

Fig 9: Identifying H1 And H7, Or G1 And G8 Speaker Connectors

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE FRONT NO. 1 SPEAKER ASSEMBLY

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - FRONT NO. 2 SPEAKER)

Disconnect the E47 receiver connector.
Disconnect the H7 (*1) or G8 (*2) speaker connector.

Measure the resistance of the wire harness side connectors.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
E47-2 (FL+) - H7-4 (TWL+) (*1)	Below 1 Ω
E47-6 (FL-) - H7-2 (TWL-) (*1)	Below 1 Ω
E47-1 (FR+) - G8-4 (TWR+) (*2)	Below 1 Ω
E47-5 (FR-) - G8-2 (TWR-) (*2)	Below 1 Ω
E47-1 (FR+) - Body ground	10 kΩ Or higher
E47-5 (FR-) - Body ground	10 kΩ or higher
E47-2 (FL+) - Body ground	10 kΩ or higher
E47-6 (FL-) - Body ground	10 kΩ or higher
HINT: 1: for LH 2: for RH

Fig 10: Identifying E47 Receiver Connector And H7 Or G8 Speaker Connector

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

INSPECT FRONT NO. 2 SPEAKER ASSEMBLY
1. Check that the malfunction disappears when another speaker in good condition is installed.
  OK: Malfunction disappear.
  
  HINT:
  - Connect all connectors to the speakers.
  - When there is a possibility that either the right or left front speaker is defective, inspect by interchanging the right one with the left one.
OK: REPLACE FRONT NO. 2 SPEAKER ASSEMBLY

NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - REAR NO. 1 SPEAKER)

Disconnect the E48 receiver connector.
Disconnect the J2 (*1) or I2 (*2) receiver connector.

Measure the resistance of the wire harness side connectors.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
E48-2 (RL+) - J2-1 (*1)	Below 1 Ω
E48-6 (RL-) - J2-2 (*1)	Below 1 Ω
E48-1 (RR+) - I2-1 (*2)	Below 1 Ω
E48-3 (RR-) I2-2 (*2)	Below 1 Ω
E48-2 (RU+) - Body ground	10 kΩ or higher
E48-6 (RL-) - Body ground	10 kΩ or higher
E48-1 (RR+) - Body ground	10 kΩ or higher
E48-3 (RR-) - Body ground	10 kΩ or higher
HINT: 1: for LH 2: for RH

Fig 11: Identifying E48 Receiver Connector And J2 Or 12 Receiver Connector

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

INSPECT REAR NO. 1 SPEAKER

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
1 - 2	Approx. 4 Ω

Fig 12: Identifying Rear No. 1 Speaker Connector Terminals

NG: REPLACE REAR NO. 1 SPEAKER ASSEMBLY

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE