The radio and display receiver assembly receives a reverse signal from the park/neutral position switch assembly or back-up light switch assembly.
Choose the model to be inspected.
| Result | Proceed to |
|---|---|
| except ALLION | A |
| for ALLION | B |
A
B
Move the shift lever to R and check if the back-up lights come on.
The back-up lights come on.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the I166 radio and display receiver assembly connector.
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| I166-2 (REV) - Body ground | Engine switch on (IG)
Shift lever in R |
11 to 14 V |
| I166-2 (REV) - Body ground | Engine switch on (IG)
Shift lever not in R |
Below 1 V |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Move the shift lever to R and check if the back-up lights come on.
The back-up lights come on.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the I166 radio and display receiver assembly connector.
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| I166-2 (CSWA) - Body ground | Engine switch on (IG)
Shift lever in R |
11 to 14 V |
| I166-2 (CSWA) - Body ground | Engine switch on (IG)
Shift lever not in R |
Below 1 V |
| Proceed to |
|---|
| OK |
| NG |
OK
NG