Inspection Procedure

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

INSPECT WOOFER SPEAKER SWITCH
1. Check the woofer speaker switch (See INSPECTION ).
  OK: Woofer speaker switch is normal.
NG: REPLACE WOOFER SPEAKER SWITCH (See INSPECTION )

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - WOOFER SPEAKER SWITCH)

Disconnect the E41 receiver connector.

Fig 1: Identifying Woofer Speaker Switch And Radio Receiver Connectors Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Disconnect the E5 woofer speaker switch connector.

Measure the resistance.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
E41-9(AMP) - E5-3	Below 1 Ω
E41-9 (AMP) or E5-3 - Body ground	10 kΩ or higher

Reconnect the receiver connector.
Reconnect the woofer speaker switch connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR (WOOFER SPEAKER - WOOFER SPEAKER SWITCH)

Disconnect the K4 woofer speaker connector.

Fig 2: Identifying Woofer Speaker Switch And Woofer Speaker Connectors Terminals

Disconnect the E5 woofer speaker switch connector.

Measure the resistance.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
K4-9 (AMP+) - E5-4	Below 1 Ω
K4-9 (AMP+) or E5-4 - Body ground	10 kΩ or higher

Reconnect the woofer speaker connector.
Reconnect the woofer speaker switch connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

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