Tachometer Malfunction

METER: METER / GAUGE SYSTEM (for Hatchback): Tachometer Malfunction

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.

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM (TACHOMETER)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch ON and turn the tester ON.
(c) Enter the following menus: Body Electrical / Combination Meter /Active Test.
Body Electrical / Combination Meter / Active Test::






OK:
Engine speed displayed on the tester is approximately the same as that of the tachometer reading.
NG -- REPLACE COMBINATION METER ASSEMBLY
OK -- Continue to next step.
2. READ VALUE USING TECHSTREAM (TACHOMETER)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch ON and turn the tester ON.
(c) Select the item below from the Data List, and read the value displayed on the Techstream.
Body Electrical / Combination Meter / Data List::






OK:
Engine speed displayed on the tester is approximately the same as the actual engine speed.
NG -- GO TO SFI SYSTEM
OK -- REPLACE COMBINATION METER ASSEMBLY