| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001G6UZ |
| Model Year Start: 2020 | Model: Corolla | Prod Date Range: [01/2019 - 09/2022] |
| Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model with Dual Knob Type): Reverse Signal Circuit; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022] | ||
|
Reverse Signal Circuit |
DESCRIPTION
The radio and display receiver assembly receives a reverse signal from the BKUP LP Relay.
WIRING DIAGRAM
PROCEDURE
|
1. |
CHECK BACK-UP LIGHT |
(a) Move the shift lever to R and check if the back-up lights come on.
OK:
The back-up lights come on.
| NG |
|
|
|
2. |
CHECK HARNESS AND CONNECTOR (REVERSE SIGNAL) |
(a) Disconnect the I55 radio and display receiver assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
I55-28 (REV) - Body ground |
Power switch on (IG) Shift lever in R |
11 to 14 V |
|
I55-28 (REV) - Body ground |
Power switch on (IG) Shift lever not in R |
Below 1 V |
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
![2020 MY Corolla Corolla HV [01/2019 - 04/2020]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model with Dual Knob Type): PROBLEM SYMPTOMS TABLE](/t3Portal/stylegraphics/info.gif)
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
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