Esto hace referencia a los otros pdf del manual de reparacion. Ahi en base a la falla, se puede comenzar a revisar por los posibles candidatos a ser el causante.05–42
DIAGNOSTICS – SFI SYSTEM (April, 2003)
05287–11
PROBLEM SYMPTOMS TABLE
When the malfunction code is not confirmed in the diagnostic trouble code check and the problem still can
not be confirmed in the basic inspection, proceed to this problem symptoms tables and troubleshoot according
to the numbered order given below.
Symptom Suspect Area See page
Engine does not crank (Does not start)
1. Starter and starter relay
2. Neutral start switch circuit *
19–1
40–6
No initial combustion (Does not start)
1. ECM power source circuit
2. Ignition coil (w/ Igniter) circuit
3. Fuel pump control circuit
4. Injector
05–273
05–177
05–278
05–149
No complete combustion (Does not start)
1. Fuel pump control circuit
2. Ignition coil (w/ Igniter) circuit
3. Injector
05–278
05–177
05–149
Engine cranks normally but difficult to start
1. Starter signal circuit
2. ISC valve circuit
3. Fuel pump control circuit
4. Ignition coil (w/ Igniter)
5. Spark plug
6. Compression
7. Injector
05–265
05–251
05–278
05–177
18–2
14–1
05–149
Difficult to start with cold engine
1. Starter signal circuit
2. ISC valve circuit
3. Fuel pump control circuit
4. Injector
5. Ignition coil (w/ Igniter)
6. Spark plug
05–265
05–251
05–278
05–149
05–177
18–2
Difficult to start with hot engine
1. Starter signal circuit
2. ISC valve circuit
3. Fuel pump control circuit
4. Injector
5. Ignition coil (w/ Igniter)
6. Spark plug
05–265
05–251
05–278
05–149
05–177
18–2
Incorrect first idle (Poor idling)
1. ISC valve circuit 05–251
High engine idle speed (Poor idling)
1. ISC valve circuit
2. ECM power source circuit
3. Neutral start switch circuit *
05–251
05–273
40–6
Low engine idle speed (Poor idling)
1. ISC valve circuit
2. Neutral start switch circuit.
*
3. Fuel pump control circuit
4. Injector
05–251
40–6
05–278
05–149
Rough idling (Poor idling)
1. ISC valve circuit
2. Injector
3. Ignition coil (w/ Igniter) circuit
4. Compression
5. Fuel pump control circuit
05–251
05–149
05–177
14–1
05–278
Hunting (Poor idling)
1. ISC valve circuit
2. ECM power source circuit
3. Fuel pump control circuit
05–251
05–273
05–278
Hesitation/Poor acceleration (Poor drivability)
1. Injector
2. Fuel pump control circuit
3. Ignition coil (w/ Igniter) circuit
4. A/T faulty *
05–149
05–278
05–177
05–374
Muffler explosion, after fire (Poor drivability)
1. Ignition coil (w/ Igniter)
2. Spark plug
3. Injector
05–177
18–2
05–149
2004 COROLLA (RM1037U)
Author:
Date:
207
05–43
DIAGNOSTICS – SFI SYSTEM (April, 2003)
Surging (Poor drivability)
1. Fuel pump control circuit
2. Spark plug
3. Injector
05–278
18–2
05–149
Engine stall (Soon after starting)
1. Fuel pump control circuit
2. ISC valve circuit
05–278
05–251
Engine stall (After accelerator pedal released)
1. Injector
2. ISC valve circuit
3. ECM
05–149
05–251
01–30
Engine stall (When shifting N to D)
1. Neutral start switch circuit*
2. ISC valve circuit
40–6
05–251
*: A/T only
2004 COROLLA (RM1037U)
Author:
Date:
208
Saludos
AB


