2007 Toyota FJ Cruiser 4WD, AutomaticFACTORY OEM SERVICE PROCEDURE

Problem Symptoms Table

HINT:

When a malfunction is not confirmed by a DTC (Diagnostic Trouble Code) check and the cause of problem cannot be identified through a basic inspection, troubleshoot according to the priority order indicated in PROBLEM SYMPTOMS TABLE .

PROBLEM SYMPTOMS TABLE

Symptom Suspected area Information
Engine does not crank (Does not start) Immobilizer System -
Starter INSPECTION
STARTER relay STARTER RELAY
No initial combustion (Does not start) ECM power source circuit ECM POWER SOURCE CIRCUIT 
Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT 
VC output circuit VC OUTPUT CIRCUIT 
ECM TERMINALS OF ECM 
Engine cranks normally but difficult to start Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT 
Compression ON-VEHICLE INSPECTION
Difficult to start with cold engine Starter signal circuit DTC P0617: STARTER RELAY CIRCUIT HIGH 
Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT 
Spark plug ON-VEHICLE INSPECTION
Ignition system DTC P0351, P0352, P0353, P0354, P0355, P0356: IGNITION COIL "A" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "B" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "C" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "D" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "E" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "F" PRIMARY/SECONDARY CIRCUIT 
Injector INSPECTION
Difficult to start with warm engine Starter signal circuit DTC P0617 STARTER RELAY CIRCUIT HIGH 
Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT 
Spark plug ON-VEHICLE INSPECTION
Ignition system DTC P0351, P0352, P0353, P0354, P0355, P0356: IGNITION COIL "A" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "B" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "C" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "D" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "E" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "F" PRIMARY/SECONDARY CIRCUIT 
Injector INSPECTION
High engine idling speed (Poor idling) A/C signal circuit TERMINALS OF ECU
ECM power source circuit ECM POWER SOURCE CIRCUIT 
Electronic throttle control system ON-VEHICLE INSPECTION 
Air Induction system -
PCV hose -
Low engine idling speed (Poor idling) A/C signal circuit TERMINALS OF ECU
Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT 
Electronic throttle control system ON-VEHICLE INSPECTION 
Air induction system -
PCV hose -
Rough idling (Poor idling) Compression ON-VEHICLE INSPECTION
Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT 
Electronic throttle control system ON-VEHICLE INSPECTION 
Air induction system -
PCV hose -
Hunting (Poor idling) ECM power source circuit ECM POWER SOURCE CIRCUIT 
Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT 
Spark plug ON-VEHICLE INSPECTION
Ignition system DTC P0351, P0352, P0353, P0354, P0355, P0356: IGNITION COIL "A" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "B" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "C" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "D" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "E" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "F" PRIMARY/SECONDARY CIRCUIT 
Injector INSPECTION
Electronic throttle control system ON-VEHICLE INSPECTION 
Air induction system -
PCV hose -
Hesitation/Poor acceleration (Poor driveability) Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT 
A/T faulty* (A750E) PROBLEM SYMPTOMS TABLE
A/T faulty* (A750F) PROBLEM SYMPTOMS TABLE
Spark plug ON-VEHICLE INSPECTION
Ignition system DTC P0351, P0352, P0353, P0354, P0355, P0356: IGNITION COIL "A" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "B" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "C" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "D" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "E" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "F" PRIMARY/SECONDARY CIRCUIT 
Injector INSPECTION
Surging (Poor driveability) Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT 
Spark plug ON-VEHICLE INSPECTION
Ignition system DTC P0351, P0352, P0353, P0354, P0355, P0356: IGNITION COIL "A" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "B" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "C" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "D" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "E" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "F" PRIMARY/SECONDARY CIRCUIT 
Injector INSPECTION
Engine stalls soon after starting Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT 
Spark plug ON-VEHICLE INSPECTION
Ignition system DTC P0351, P0352, P0353, P0354, P0355, P0356: IGNITION COIL "A" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "B" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "C" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "D" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "E" PRIMARY/SECONDARY CIRCUIT; IGNITION COIL "F" PRIMARY/SECONDARY CIRCUIT 
Injector INSPECTION
Engine stalls during A/C operation A/C signal circuit TERMINALS OF ECU
ECM TERMINALS OF ECM 
Unable/difficult to refuel Refueling valve (canister) -
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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