DESCRIPTION The navigation receiver assembly sends a sound signal to the stereo component amplifier assembly via this circuit.
The sound signal that has been sent is amplified by the stereo component amplifier assembly, and then is sent to the speakers. WIRING DIAGRAM
 PROCEDURE
| 1. |
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY) |
(a) for 7 or 9 Speakers: (1) Disconnect the J134 and J133 navigation receiver assembly connectors.
(2) Disconnect the J145 stereo component amplifier assembly connector.
(3) Measure the resistance according to the value(s) in the table below.
Standard Resistance: |
Tester Connection | Condition |
Specified Condition | |
J133-2 (FL+) - J145-1 (FL+) |
Always | Below 1 Ω | |
J133-6 (FL-) - J145-6 (FL-) |
Always | Below 1 Ω | |
J133-1 (FR+) - J145-2 (FR+) |
Always | Below 1 Ω | |
J133-5 (FR-) - J145-7 (FR-) |
Always | Below 1 Ω | |
J134-2 (RL+) - J145-3 (RL+) |
Always | Below 1 Ω | |
J134-6 (RL-) - J145-8 (RL-) |
Always | Below 1 Ω | |
J134-1 (RR+) - J145-9 (RR+) |
Always | Below 1 Ω | |
J134-3 (RR-) - J145-10 (RR-) |
Always | Below 1 Ω | |
J133-2 (FL+) - Body ground |
Always | 10 kΩ or higher | |
J133-6 (FL-) - Body ground |
Always | 10 kΩ or higher | |
J133-1 (FR+) - Body ground |
Always | 10 kΩ or higher | |
J133-5 (FR-) - Body ground |
Always | 10 kΩ or higher | |
J134-2 (RL+) - Body ground |
Always | 10 kΩ or higher | |
J134-6 (RL-) - Body ground |
Always | 10 kΩ or higher | |
J134-1 (RR+) - Body ground |
Always | 10 kΩ or higher | |
J134-3 (RR-) - Body ground |
Always | 10 kΩ or higher |
(b) for 12 Speakers: (1) Disconnect the J134 and J133 navigation receiver assembly connectors.
(2) Disconnect the J141 stereo component amplifier assembly connector.
(3) Measure the resistance according to the value(s) in the table below.
Standard Resistance: |
Tester Connection | Condition |
Specified Condition | |
J133-6 (FL-) - J141-2 (L-) |
Always | Below 1 Ω | |
J133-2 (FL+) - J141-3 (L+) |
Always | Below 1 Ω | |
J133-5 (FR-) - J141-4 (R-) |
Always | Below 1 Ω | |
J133-1 (FR+) - J141-5 (R+) |
Always | Below 1 Ω | |
J133-6 (FL-) - Body ground |
Always | 10 kΩ or higher | |
J133-2 (FL+) - Body ground |
Always | 10 kΩ or higher | |
J133-5 (FR-) - Body ground |
Always | 10 kΩ or higher | |
J133-1 (FR+) - Body ground |
Always | 10 kΩ or higher | |
J134-4 (SLD2) - Body ground |
Always | 10 kΩ or higher |
| OK |
 | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG |
| REPAIR OR REPLACE HARNESS OR CONNECTOR | | 
