Toyota Avalon Service & Repair Manual: 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.

GO TO LIGHTING SYSTEM

2.	CHECK HARNESS AND CONNECTOR (REVERSE SIGNAL)

(a) Disconnect the G3 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

G3-28 (REV) - Body ground

Engine switch on (IG)

Shift lever in R

11 to 14 V

G3-28 (REV) - Body ground

Engine switch on (IG)

Shift lever not in R

Below 1 V

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPAIR OR REPLACE HARNESS OR CONNECTOR

Toyota Avalon Service & Repair Manual > Sfi System: Exhaust Gas Recirculation "A" Circuit Current Below Threshold (P040318,P040319,P140018,P140019)
DESCRIPTION Refer to DTC P04019C. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P040318 Exhaust Gas Recirculation "A" Circuit Current Below Threshold Open or short in EGR A circuit for 1 second or more (1 trip detection logic). Open or short in EGR valve asse ...

Toyota Avalon Owners Manual