Checking components and wiring

Check the signal cable between gas temperature sensor connector terminal #3 and rear electronic module #C1 (#A41). Check for a short-circuit to supply voltage. Check for an open-circuit.

Check the signal cable between gas temperature sensor connector terminal #4 and rear electronic module #C2 (#A42). Check for a short-circuit to supply voltage. Check for an open-circuit.

Check the connector for the gas temperature sensor. Check for oxidation or damage.

Remedy as necessary.

Other information: 

• To fault-trace wiring and terminals, see Contents
• To connect the breakout box, see Connecting the breakout box
• For information about signals, see Signal specification
• See the wiring diagram for the cable routing.

Was a fault detected? 

• YES 

  Refer to Verification 

• NO 

  Refer to Replacing the gas temperature sensor