Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

Symptom	Suspected Area	Reference
Engine does not crank (Does not start)	1. Cranking holding function circuit	CRANKING HOLDING FUNCTION CIRCUIT
	2. Starter	STARTING SYSTEM (2UZ-FE)
	3. Starter relay	STARTING SYSTEM (2UZ-FE)
No initial combustion (Does not start)	1. ECM Power Source Circuit	ECM POWER SOURCE CIRCUIT
	2. Fuel Pump Control Circuit	FUEL PUMP CONTROL CIRCUIT
	3. ECM	ECM
No complete combustion (Does not start)	1. Fuel Pump Control Circuit	FUEL PUMP CONTROL CIRCUIT
Difficult to start (Engine cranks normally)	1. Starter Signal Circuit	STARTER SIGNAL CIRCUIT
	2. Fuel Pump Control Circuit	FUEL PUMP CONTROL CIRCUIT
	3. Compression	ENGINE (2UZ-FE)
Difficult to start (With cold engine)	1. Starter Signal Circuit	STARTER SIGNAL CIRCUIT
Difficult to start (With cold engine)	2. Fuel Pump Control Circuit	FUEL PUMP CONTROL CIRCUIT
Difficult to start (With hot engine)	1. Starter Signal Circuit	STARTER SIGNAL CIRCUIT
Difficult to start (With hot engine)	2. Fuel Pump Control Circuit	FUEL PUMP CONTROL CIRCUIT
High engine idle speed (Poor idling)	1. A/C signal circuit (Compressor circuit)	COMPRESSOR CIRCUIT
High engine idle speed (Poor idling)	2. ECM Power Source Circuit	ECM POWER SOURCE CIRCUIT
Low engine idle speed (Poor idling)	1. A/C signal circuit (Compressor circuit)	COMPRESSOR CIRCUIT
Low engine idle speed (Poor idling)	2. Fuel Pump Control Circuit	FUEL PUMP CONTROL CIRCUIT
Rough idling (Poor idling)	1. Compression	ENGINE (2UZ-FE)
Rough idling (Poor idling)	2. Fuel Pump Control Circuit	FUEL PUMP CONTROL CIRCUIT
Hunting (Poor idling)	1. ECM Power Source Circuit	ECM POWER SOURCE CIRCUIT
Hunting (Poor idling)	2. Fuel Pump Control Circuit	FUEL PUMP CONTROL CIRCUIT
Hesitation/Poor acceleration (Poor driveability)	1. Fuel Pump Control Circuit	FUEL PUMP CONTROL CIRCUIT
Hesitation/Poor acceleration (Poor driveability)	2. A/T faulty	-
Surging (Poor driveability)	1. Fuel Pump Control Circuit	FUEL PUMP CONTROL CIRCUIT
Engine stalls soon after starting	1. Fuel Pump Control Circuit	FUEL PUMP CONTROL CIRCUIT
Engine stalls during A/C operation	1. A/C signal circuit (Compressor circuit)	COMPRESSOR CIRCUIT
Engine stalls during A/C operation	2. ECM	ECM
Unable to refuel/Difficult to refuel	1. ORVR system	-