Toyota CH-R Service Manual: Reverse Signal Circuit

Toyota CH-R Service Manual / Navigation / Multi Info Display / Navigation System / Reverse Signal Circuit

DESCRIPTION

The radio and display receiver assembly receives a reverse signal from the park/neutral position switch.

WIRING DIAGRAM

PROCEDURE

1.	CHECK VEHICLE SIGNAL (OPERATION CHECK)

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

(b) Check that the display changes between ON and OFF according to the shift lever position.

HINT:

This display is updated once per second. As a result, it is normal for the display to lag behind the actual shift lever position.

OK:

Shift Lever Position	Display
R	ON
Except R	OFF

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

OFF

2.	CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

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

*a	Front view of wire harness connector (to Radio and Display Receiver Assembly)

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
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)

(a) Disconnect the F129 radio and display receiver assembly connector.

(b) Disconnect the C36 park/neutral position switch connector.

Standard Resistance:

Tester Connection	Condition	Specified Condition
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.

*a	Front view of wire harness connector (to Park/neutral Position Switch)

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
C36-1 (RB) - Body ground	Engine switch on (IG)	11 to 14 V

REPLACE PARK/NEUTRAL POSITION SWITCH

REPAIR OR REPLACE HARNESS AND CONNECTOR

Vehicle Speed Signal Circuit between Navigation ECU and Combination Meter

DESCRIPTION The navigation ECU receives a vehicle speed signal from the combination meter assembly. HINT: A voltage of 12 V or 5 V is output from each ECU and then input to the combin ...

Reverse Signal Circuit between Radio Receiver Assembly and Navigation ECU

DESCRIPTION This circuit includes the navigation ECU and radio and display receiver assembly. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RE ...

Other materials:

Toyota CH-R Service Manual > Navigation System: GPS Antenna Connection Malfunction(short) (B15C0,B15C1)
DESCRIPTION These DTCs are stored when a malfunction occurs in the navigation antenna assembly. DTC No. Detection Item DTC Detection Condition Trouble Area B15C0 GPS Antenna Connection Malfunction(short) Navigation ...

Toyota CH-R Owners Manual > Using the storage features: Luggage compartment features
Cargo hooks Cargo hooks are provided for securing loose items. WARNING To avoid injury, always return the cargo hooks to their positions when they are not in use. Grocery bag hooks NOTICE Do not hang any object heavier than 4.4 lb. (2 kg) on the grocery bag hook. Auxiliary b ...