Last Modified: 6-7-2017 6.8:8.0.40 Doc ID: RM000000SXO00KX
Model Year Start: 2007 Model: Land Cruiser Prod Date Range: [08/2006 -           ]
Title: 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: PROBLEM SYMPTOMS TABLE; 2007 MY Land Cruiser [08/2006 -        ]

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Symptom

Suspected Area

See page

Engine does not crank (does not start)

1. Cranking holding function circuit

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: Cranking Holding Function Circuit

2. Starter

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE STARTING: STARTER: INSPECTION

3. Starter relay

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE STARTING: STARTER RELAY: ON-VEHICLE INSPECTION

4. VC output circuit

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: VC Output Circuit

No initial combustion (does not start)

1. ECM power source circuit

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: ECM Power Source Circuit

2. VC output circuit

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: VC Output Circuit

3. Fuel pump control circuit

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: Fuel Pump Control Circuit

4. ECM

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: TERMINALS OF ECM

No complete combustion (does not start)

1. Fuel pump control circuit

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: ECM Power Source Circuit

Difficult to start (engine cranks normally)

1. Starter signal circuit

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0617; Starter Relay Circuit High

2. Fuel pump control circuit

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: Fuel Pump Control Circuit

3. Compression

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE MECHANICAL: ENGINE: ON-VEHICLE INSPECTION+

Difficult to start (with cold engine)

1. Starter signal circuit

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0617; Starter Relay Circuit High

2. Fuel pump control circuit

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: Fuel Pump Control Circuit

Difficult to start (with hot engine))

1. Starter signal circuit

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0617; Starter Relay Circuit High

2. Fuel pump control circuit

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: Fuel Pump Control Circuit

High engine idle speed (poor idling)

1. A/C signal circuit (compressor circuit)

2007 MY Land Cruiser [08/2006 -        ]; AIR CONDITIONING: AIR CONDITIONING SYSTEM: Compressor Circuit

2. ECM power source circuit

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: ECM Power Source Circuit

Low engine idle speed (poor idling)

1. A/C signal circuit (compressor circuit)

2007 MY Land Cruiser [08/2006 -        ]; AIR CONDITIONING: AIR CONDITIONING SYSTEM: Compressor Circuit

2. Fuel pump control circuit

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: Fuel Pump Control Circuit

Rough idling (poor idling)

1. Compression

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE MECHANICAL: ENGINE: ON-VEHICLE INSPECTION+

2. Fuel pump control circuit

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: Fuel Pump Control Circuit

Hunting (poor idling)

1. ECM power source circuit

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: ECM Power Source Circuit

2. A/T faulty

2007 MY Land Cruiser [08/2006 -        ]; A750F AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION SYSTEM: PROBLEM SYMPTOMS TABLE

Hesitation/Poor acceleration (Poor driveability)

1. ECM power source circuit

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: ECM Power Source Circuit

2. A/T faulty

2007 MY Land Cruiser [08/2006 -        ]; A750F AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION SYSTEM: PROBLEM SYMPTOMS TABLE

Engine stalls during A/C operation

1. A/C signal circuit (compressor circuit)

2007 MY Land Cruiser [08/2006 -        ]; AIR CONDITIONING: AIR CONDITIONING SYSTEM: Compressor Circuit

2. ECM

2007 MY Land Cruiser [08/2006 -        ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: TERMINALS OF ECM

Unable/Difficult to refuel

1. ORVR system

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