Toyota CH-R Service Manual: Reverse Signal Circuit

1.

CHECK VEHICLE SIGNAL (OPERATION CHECK)

(a) Enter the "Vehicle Signal Check Mode" screen. [Refer to Check Vehicle Signal in Operation Check (Click here ).

R

ON

Except R

OFF

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

2.

CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

(a) Disconnect the radio and display receiver assembly connector.

F129-28 (REV) - Body ground

Engine switch on (IG), shift lever in R

7.5 to 14 V

F129-28 (REV) - Body ground

Engine switch on (IG), shift lever not in R

Below 1 V

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

3.

CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - PARK/NEUTRAL POSITION SWITCH)

F129-28 (REV) - C36-2 (RL)

Always

Below 1 Ω

F129-28 (REV) - Body ground

Always

10 kΩ or higher

REPAIR OR REPLACE HARNESS AND CONNECTOR

4.

CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - PARK/NEUTRAL POSITION SWITCH)

(a) Disconnect the park/neutral position switch connector.

C36-1 (RB) - Body ground

Engine switch on (IG)

11 to 14 V

REPLACE PARK/NEUTRAL POSITION SWITCH

REPAIR OR REPLACE HARNESS AND CONNECTOR