Inspection Procedure

1. Check whether sound is emitted from each speaker.

   Result 

   RESULT REFERENCE
   
   

   Result	Proceed to
   Front No. 1 speakers have problems	A
   Rear speakers have problems	B

B: Go to step  4

A: GO TO NEXT STEP 

1. Check the left and right front No. 1 speakers (See ON-VEHICLE INSPECTION - FRONT NO. 1 SPEAKER (FOR HATCHBACK)  or ON-VEHICLE INSPECTION - FRONT NO. 1 SPEAKER (FOR SEDAN)  ).

   OK: Front No. 1 speakers are normal. 

NG: REPLACE FRONT NO. 1 SPEAKER 

OK: GO TO NEXT STEP 

1. Disconnect the D10 receiver connector.
2. Disconnect the front No. 1 speaker connector.
3. Measure the resistance.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   D10-2 (FL+)- G6-1	Below 1 Ω
   D10-6 (FL-)- G6-2	Below 1 Ω
   D10-2 (FL+)- Body ground	10 kΩ or higher
   D10-6 (FL-)- Body ground	10 kΩ or higher
   D10-1 (FR+)- F6-1	Below 1 Ω
   D10-5 (FR-)- F6-2	Below 1 Ω
   D10-1 (FR+)- Body ground	10 kΩ or higher
   D10-1 (FR+)- Body ground	10 kΩ or higher

Fig 1: Identifying Radio Receiver And Front No 1 Speaker Connectors
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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

1. Check the left and right rear speakers (See ON-VEHICLE INSPECTION - REAR SPEAKER (FOR SEDAN)  , ON-VEHICLE INSPECTION - REAR SPEAKER (FOR HATCHBACK 5 DOOR)  or ON-VEHICLE INSPECTION - REAR SPEAKER (FOR HATCHBACK 3 DOOR)  ).

   OK: Rear speakers are normal. 

NG: REPLACE REAR SPEAKER 

OK: GO TO NEXT STEP 

1. Disconnect the D11 receiver connector.
2. Disconnect the rear speaker connectors.
3. Measure the resistance.

   Standard resistance (Hatchback 3-Door Models) 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   D11-2(RL+)-J27-1	Below 1 Ω
   D11-6(RL-)-J27-2	Below 1 Ω
   D11-1(RR+)-J26-1	Below 1 Ω
   D11-3(RR-)-J26-2	Below 1 Ω

   Standard resistance (Hatchback 5-Door Models) 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   D11-2(RL+)-l4-1	Below 1 Ω
   D11-6{RL-)-l4-2	Below 1 Ω
   D11-1(RR+)-H4-1	Below 1 Ω
   D11-3(RR-)-H4-2	Below 1 Ω

   Standard resistance (Sedan) 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   D11-2(RL+)-J39-1	Below 1 Ω
   D11-6(RL-)-J39-2	Below 1 Ω
   D11-1(RR+)-J38-1	Below 1 Ω
   D11-3(RR-)-J38-2	Below 1 Ω

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   D11-2 (RL+)- Body ground	10 kΩ or higher
   D11-6 (RL-)- Body ground	10 kΩ or higher
   D11-1 (RR+)- Body ground	10 kΩ or higher
   D11-3 (RR-)- Body ground	10 kΩ or higher

   Fig 2: Identifying Radio Receiver And Rear Speaker Connectors

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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