Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Ignition coil primary/secondary
circuit
Toyota Corolla (E120): Ignition coil primary/secondary circuit
Dtc p0351 ignition coil ”a” primary/secondary circu
Dtc p0352 ignition coil ”b” primary/secondary circuit
Dtc p0353 ignition coil ”c” primary/secondary circuit
Dtc p0354 ignition coil ”d” primary/secondary circuit
Other materials:
On–vehicle inspection
1. Check cooling fan operation with low temperature (below 83 c (181 f))
Turn the ignition switch on.
check that the cooling fan stops.
Hint:
if not, check the cooling fan relay and water temperature sensor, and check for
separated connector or severed
wire between the cooling fan ...
Circuit description
Hint:
these dtcs indicate a malfunction related to the primary circuit.
If dtc p0351 is displayed, check the no.1 Ignition coil with igniter
circuit.
If dtc p0352 is displayed, check the no.2 Ignition coil with igniter
circuit.
If dtc p0353 is displayed, check the no.3 Ignition coil ...
Inspection procedure
1 Inspect dlc3 terminal voltage(tc terminal)
Turn the ignition switch to on.
measure voltage between terminals tc and cg of dlc3.
Ok:
voltage: 10 – 14 v
2 Check harness and connector(dlc3 – body ground)
Check for open and short circuit in harness and connector betw ...