IS 250C V6-2.5L (4GR-FSE) (2011)
(a) Disconnect the combination meter assembly connector.
(b) Disconnect the ECM connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance (Check for Short):
(d) Reconnect the combination meter assembly connector.
(e) Reconnect the ECM connector.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE COMBINATION METER ASSEMBLY See: Instrument Panel, Gauges and Warning Indicators/Instrument Cluster
/ Carrier/Service and Repair/Removal and Replacement/Removal
5. CHECK IF ENGINE STARTS
(a) Start the engine.
Result:
HINT
*: The Techstream cannot communicate with the ECM.
B -- GO TO VC OUTPUT CIRCUIT See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Component Tests and General Diagnostics/VC Output Circuit
A -- Continue to next step.
6. CHECK HARNESS AND CONNECTOR (ECM TERMINAL VOLTAGE)
(a) Disconnect the ECM connector.
(b) Turn the engine switch on (IG).
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
(d) Reconnect the ECM connector.
NG -- CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - ECM)
OK -- REPLACE ECM See: Powertrain Management/Computers and Control Systems/Engine Control Module/Service and
Repair/Removal
7. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - ECM)
(a) Disconnect the combination meter assembly connector.
(b) Disconnect the ECM connector.