This is the power source circuit to operate the radio and display receiver assembly.
Inspect the fuses for circuits related to this system before performing the following procedure.
Disconnect the I165 and I166 radio and display receiver assembly connectors.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| I165-7 (GND1) - Body ground | Always | Below 1 Ω |
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| I165-4 (+B1) - I165-7 (GND1) | Always | 10.5 to 16 V*1
11 to 14 V*2 |
| I165-3 (ACC1) - I165-7 (GND1) | Engine switch on (ACC) | 10.5 to 16 V*1
11 to 14 V*2 |
| I166-1 (IG) - I165-7 (GND1) | Engine switch on (IG) | 11 to 14 V |
*1: w/ Stop and Start System
*2: w/o Stop and Start System
| Result | Proceed to |
|---|---|
| OK | A |
| NG (w/o Stop and Start System) | B |
| NG (w/ Stop and Start System) | C |
A
B
C