DESCRIPTION
This circuit includes the navigation ECU and radio and display receiver assembly.
WIRING DIAGRAM
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NAVIGATION ECU) |
(a) Disconnect the F130 radio and display receiver assembly connector.
(b) Disconnect the F135 navigation ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
F130-28 (REV2) - F135-19 (REV2) |
Always |
Below 1 Ω |
|
F130-28 (REV2) or F135-19 (REV2) - Body ground |
Always |
10 kΩ or higher |
| OK | |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Reverse Signal Circuit
Start Up Signal Circuit between Radio Receiver Assembly and Navigation ECUToyota CH-R Service Manual > Front Door Outside Moulding: Disassembly
DISASSEMBLY
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE
1. REMOVE FRONT DOOR UPPER OUTSIDE MOULDING PAD
(a) Remove the front door upper outside moulding pad.
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Toyota CH-R Service Manual > Continuously Variable Transaxle System: Torque Converter Clutch Solenoid Circuit Low (P2769,P2770)
DESCRIPTION
Based on the signal received by the shift solenoid valve SL, the ECM uses the
shift solenoid valve SLU to control the lock-up clutch pressure.
If there is an open or short in the shift solenoid valve SL circuit, the ECM
stops sending current to the defective shift solenoid valve.
...