Meter / Gauge System Tachometer Malfunction
Meter. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
PERFORM ACTIVE TEST USING INTELLIGENT TESTER (TachoMeter Operation)
READ VALUE USING DATA LIST (Engine Rpm)
METER / GAUGE SYSTEM - Tachometer Malfunction |
DESCRIPTION
The combination meter assembly controls the tachometer in accordance with engine speed signals from the ECM through the CAN communication system.
WIRING DIAGRAM
INSPECTION PROCEDURE
- HINT:
- If DTC U0100 has been stored, troubleshoot the CAN communication system first.
| 1.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (TachoMeter Operation) |
Connect the intelligent tester to the DLC3.
Turn the ignition switch on (IG) and turn the tester ON.
Perform the Active Test according to the prompts displayed on the tester.
Combination meterTester Display
| Test Part
| Control Range
|
TachoMeter Operation
| 0 / 1,000 / 2,000 / 3,000 / 4,000 / 5,000 / 6,000 / 7,000 rpm
| Value selected during Active Test is displayed
|
- OK:
- Engine speed displayed on the tester is almost the same as that of the tachometer reading.
| | REPLACE COMBINATION METER ASSEMBLY |
|
|
| 2.READ VALUE USING DATA LIST (Engine Rpm) |
Connect the intelligent tester to the DLC3.
Turn the ignition switch on (IG) and turn the tester ON.
Read the Data List according to the prompts displayed on the tester.
Combination meterTester Display
| Measurement Item/Range
| Normal Condition
| Diagnostic Note
|
Engine Rpm
| Engine speed / Min.: 0 rpm, Max.: 12,750 rpm
| Almost same as actual engine speed
(When engine is running)
| -
|
- OK:
- Engine speed displayed on the tester is almost the same as the actual engine speed.
| | REPLACE COMBINATION METER ASSEMBLY |
|
|
