DESCRIPTION
The navigation ECU receives a vehicle speed signal from the combination meter assembly.
HINT:
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
PROCEDURE
1. |
CHECK COMBINATION METER ASSEMBLY (OUTPUT WAVEFORM) |
(a) Check the output waveform. (1) Remove the combination meter assembly with the connector(s) still connected. (2) Connect an oscilloscope to terminal F4-6 (+S) and body ground. (3) Turn the engine switch on (IG). (4) Turn a wheel slowly. (5) Check the signal waveform according to the condition(s) in the table below.
OK: The waveform is similar to that shown in the illustration. HINT: When the system is functioning normally, one wheel revolution generates 4 pulses. As the vehicle speed increases, the width indicated by (A) in the illustration narrows. |
|
NG |
GO TO METER / GAUGE SYSTEM |
|
2. |
CHECK HARNESS AND CONNECTOR (NAVIGATION ECU - COMBINATION METER ASSEMBLY) |
(a) Disconnect the F135 navigation ECU connector.
(b) Disconnect the F4 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F135-9 (SPD) - F4-6 (+S) |
Always |
Below 1 Ω |
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Toyota CH-R Service Manual > Continuously Variable Transaxle System: Definition Of Terms
DEFINITION OF TERMS
Term
Definition
Monitor description
Description of what the ECM monitors and how it detects malfunctions
(monitoring purpose and details).
Related DTCs
Group of diagnostic trouble codes that are ou ...
Toyota CH-R Service Manual > Exterior Panels / Trim: Roof Drip Side Finish Moulding
Components
COMPONENTS
ILLUSTRATION
*1
CENTER ROOF DRIP SIDE FINISH MOULDING
*2
NO. 1 ROOF DRIP SIDE FINISH MOULDING CLIP
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Non-reusable part
-
-
Removal
REMOVAL
CAUTION / NOTICE / HIN ...