Toyota Camry (XV70): Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT NO. 1 ELECTRONIC FUEL INJECTION MAIN RELAY (EFI-MAIN NO. 1)
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition |
Specified Condition |
3 - 5 | Battery voltage not applied between terminals 1 and 2 |
10 kΩ or higher |
Battery voltage applied between terminals 1 and 2 |
Below 1 Ω | If the result is not as specified, replace the No. 1 electronic fuel injection main relay (EFI-MAIN NO. 1). |
|
2. INSPECT NO. 2 ELECTRONIC FUEL INJECTION MAIN RELAY (EFI-MAIN NO. 2)
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition |
Specified Condition |
3 - 5 | Battery voltage not applied between terminals 1 and 2 |
10 kΩ or higher |
Battery voltage applied between terminals 1 and 2 |
Below 1 Ω | If the result is not as specified, replace the No. 2 electronic fuel injection main relay (EFI-MAIN NO. 2). |
|
3. INSPECT AIR FUEL RATIO SENSOR HEATER RELAY (EFI-MAIN NO. 3)
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition |
Specified Condition |
3 - 5 | Battery voltage not applied between terminals 1 and 2 |
10 kΩ or higher |
Battery voltage applied between terminals 1 and 2 |
Below 1 Ω | If the result is not as specified, replace the air fuel ratio sensor heater relay (EFI-MAIN NO. 3). |
|
4. INSPECT EFI INJECTION RELAY (D INJ)
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition |
Specified Condition |
3 - 5 | Battery voltage not applied between terminals 1 and 2 |
10 kΩ or higher |
Battery voltage applied between terminals 1 and 2 |
Below 1 Ω | If the result is not as specified, replace the EFI injector relay (D INJ). |
|
5. INSPECT NO. 2 IGNITION RELAY (IG2 NO. 1)
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition |
Specified Condition |
3 - 5 | Battery voltage not applied between terminals 1 and 2 |
10 kΩ or higher |
Battery voltage applied between terminals 1 and 2 |
Below 1 Ω | If the result is not as specified, replace the No. 2 ignition relay (IG2 NO. 1). |
|
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PRECAUTION INITIALIZATION
NOTICE:
Before replacing the ECM, refer to Registration.
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Perform Registration (VIN registration) after replacing the ECM.
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Perform L
DEFINITION OF TERMS
Term Definition
Monitor Description Description of what the ECM monitors and how it detects malfunctions (monitoring purpose and details).
Related DTCs
SEE MORE:
HOW TO PROCEED WITH TROUBLESHOOTING OPERATION FLOW
HINT: Perform troubleshooting in accordance with the procedure below. The following is an outline of basic troubleshooting procedure. Confirm the troubleshooting procedure for the circuit you are working on before beginning troubleshooting.
1.VE
COMPONENTS ILLUSTRATION
*1 IGNITION COIL ASSEMBLY
*2 SPARK PLUG
*3 V-BANK COVER SUB-ASSEMBLY
*4 VACUUM HOSE
N*m (kgf*cm, ft.*lbf): Specified torque
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