Kirk
08-22-2005, 10:52 PM
DIAGNOSTIC TROUBLE CODE CHART (2JZ-GTE)
DTC
No. Circuit Diag.. Trouble Code Detecting Condition Trouble Area
Normal Mode Test Mode Memory
- Normal No code is recorded - - - -
12 G, NE Signal (No. 1) No "NE" or "G1" and "G2 signal to ECM for 2 sec. or more after cranking. a.. Open or short in crankshaft position sensor, camshaft position sensor No. 1, No. 2 circuit.
b.. Crankshaft position sensor
c.. Camshaft position sensor No. 1, No. 2
d.. Started
e.. ECM
ON
n/a Yes
13 G, NE Signal (No. 2)
No NE signal to ECM for 0.1 sec. or more at 1,000 rpm or more. a.. Open or short in crankshaft position sensor circuit.
b.. Crankshaft position sensor
c.. ECM
ON n/a Yes
NE signal does not pulse 12 times to ECM during the interval between G1 and G2 pulses. a.. Open or short in crankshaft position sensor circuit.
b.. Mechanical system malfunction (skipping teeth of timing belt, belt stretched)
c.. Crankshaft position sensor
d.. ECM
n/a ON
Deviation in G (G1, G2) and NE signal continues for 3 sec. during idling (throttle fully closed) after engine warmed up. a.. Mechanical system malfunction (skipping teeth of timing belt, belt stretched)
b.. Camshaft position sensor No. 1, No. 2
c.. ECM
ON n/a
14 Ignition Signal
No IGF signal to ECM for 4~7 consecutive IGT signals with engine speed less than 3,000 rpm. a.. Open or short in IGF circuit from igniter to ECM
b.. Igniter
c.. ECM
ON n/a Yes
16 A/T Control Signal
Fault in communications between the engine CPU and A/T CPU in the ECM. a.. ECM
ON n/a No
21 Main Heated Oxygen Sensor Signal
Open or short in heater circuit of main heated oxygen sensor (Fr) for 0.5 sec. or more. a.. Open or short in heater circuit of main heated oxygen sensor.
b.. Main heated oxygen sensor heater
c.. ECM
ON n/a Yes
Main heated oxygen sensor signal voltage is reduced to between 0.35V and 0.70V for 60 sec. under condition
a) ~ (d). (2 trip detection logic)
a). Engine coolant temp.: Between 80° C (176°F) and 95°C (203°F)
b). Engine speed: 1,500 rpm or more
c). Load driving (EX. A/T in overdrive (5th for M/T), A/C ON, Flat road, 50 mph <80 km/h>)
d). Main heated oxygen sensor signal voltage: Alternating above and below 0.45 V.
a.. Main heated oxygen sensor circuit
b.. Main heated oxygen sensor
ON ON
22 Engine Coolant Temp. Sensor Circuit Open or short in engine coolant temp. sensor circuit for 0.5 sec or more. a.. Open or short in engine coolant temp. sensor circuit.
b.. Engine coolant temp. sensor
c.. ECM
ON ON Yes
24 Intake Air Temp. Sensor Signal Open or short in intake air temp. sensor circuit for 0.5 sec. or more. a.. Open or short in intake air temp. sensor circuit.
b.. Intake air temp. sensor
ON ON Yes
25 Air-Fuel Ratio Lean Malfunction
26 Air-Fuel Ratio Rich Malfunction
27 Sub Heated Oxygen Sensor Signal
31 Mass Air Flow Meter Circuit
34 Turbo Pressure Malfunction
35 Turbo Pressure Sensor Circuit
35(?) Barometric Pressure Sensor Circuit
41 Throttle Position
Sensor Signal
42 No. 1 Vehicle Speed Sensor Signal (for A/T)
No. 1 Vehicle Speed Sensor Signal (for M/T)
43 Starter Signal
47 Sub-Throttle Position Sensor Signal
52 Knock Sensor Signal (front side)
53 Knock Control Signal Engine control computer (for knock control) malfunction at engine speed between 650 rpm and 5,200 rpm. ECM
ON n/a No
55 Knock Sensor Signal (rear side)
71 EGR System Malfunction
78 Fuel Pump Control Signal
51 Switch Condition Signal 1.. 3 sec. or more after engine starts, with closed throttle position switch OFF (IDL1).
2.. Park/neutral position switch: OF (Shift position in "R", "D", "2", or "L" position)
3.. A/C switch ON.
a.. A/C switch circuit.
b.. Throttle position sensor IDL circuit.
c.. Park/neutral position switch circuit
d.. Accelerator pedal and cable.
e.. ECM
n/a OFF No
DTC
No. Circuit Diag.. Trouble Code Detecting Condition Trouble Area
Normal Mode Test Mode Memory
- Normal No code is recorded - - - -
12 G, NE Signal (No. 1) No "NE" or "G1" and "G2 signal to ECM for 2 sec. or more after cranking. a.. Open or short in crankshaft position sensor, camshaft position sensor No. 1, No. 2 circuit.
b.. Crankshaft position sensor
c.. Camshaft position sensor No. 1, No. 2
d.. Started
e.. ECM
ON
n/a Yes
13 G, NE Signal (No. 2)
No NE signal to ECM for 0.1 sec. or more at 1,000 rpm or more. a.. Open or short in crankshaft position sensor circuit.
b.. Crankshaft position sensor
c.. ECM
ON n/a Yes
NE signal does not pulse 12 times to ECM during the interval between G1 and G2 pulses. a.. Open or short in crankshaft position sensor circuit.
b.. Mechanical system malfunction (skipping teeth of timing belt, belt stretched)
c.. Crankshaft position sensor
d.. ECM
n/a ON
Deviation in G (G1, G2) and NE signal continues for 3 sec. during idling (throttle fully closed) after engine warmed up. a.. Mechanical system malfunction (skipping teeth of timing belt, belt stretched)
b.. Camshaft position sensor No. 1, No. 2
c.. ECM
ON n/a
14 Ignition Signal
No IGF signal to ECM for 4~7 consecutive IGT signals with engine speed less than 3,000 rpm. a.. Open or short in IGF circuit from igniter to ECM
b.. Igniter
c.. ECM
ON n/a Yes
16 A/T Control Signal
Fault in communications between the engine CPU and A/T CPU in the ECM. a.. ECM
ON n/a No
21 Main Heated Oxygen Sensor Signal
Open or short in heater circuit of main heated oxygen sensor (Fr) for 0.5 sec. or more. a.. Open or short in heater circuit of main heated oxygen sensor.
b.. Main heated oxygen sensor heater
c.. ECM
ON n/a Yes
Main heated oxygen sensor signal voltage is reduced to between 0.35V and 0.70V for 60 sec. under condition
a) ~ (d). (2 trip detection logic)
a). Engine coolant temp.: Between 80° C (176°F) and 95°C (203°F)
b). Engine speed: 1,500 rpm or more
c). Load driving (EX. A/T in overdrive (5th for M/T), A/C ON, Flat road, 50 mph <80 km/h>)
d). Main heated oxygen sensor signal voltage: Alternating above and below 0.45 V.
a.. Main heated oxygen sensor circuit
b.. Main heated oxygen sensor
ON ON
22 Engine Coolant Temp. Sensor Circuit Open or short in engine coolant temp. sensor circuit for 0.5 sec or more. a.. Open or short in engine coolant temp. sensor circuit.
b.. Engine coolant temp. sensor
c.. ECM
ON ON Yes
24 Intake Air Temp. Sensor Signal Open or short in intake air temp. sensor circuit for 0.5 sec. or more. a.. Open or short in intake air temp. sensor circuit.
b.. Intake air temp. sensor
ON ON Yes
25 Air-Fuel Ratio Lean Malfunction
26 Air-Fuel Ratio Rich Malfunction
27 Sub Heated Oxygen Sensor Signal
31 Mass Air Flow Meter Circuit
34 Turbo Pressure Malfunction
35 Turbo Pressure Sensor Circuit
35(?) Barometric Pressure Sensor Circuit
41 Throttle Position
Sensor Signal
42 No. 1 Vehicle Speed Sensor Signal (for A/T)
No. 1 Vehicle Speed Sensor Signal (for M/T)
43 Starter Signal
47 Sub-Throttle Position Sensor Signal
52 Knock Sensor Signal (front side)
53 Knock Control Signal Engine control computer (for knock control) malfunction at engine speed between 650 rpm and 5,200 rpm. ECM
ON n/a No
55 Knock Sensor Signal (rear side)
71 EGR System Malfunction
78 Fuel Pump Control Signal
51 Switch Condition Signal 1.. 3 sec. or more after engine starts, with closed throttle position switch OFF (IDL1).
2.. Park/neutral position switch: OF (Shift position in "R", "D", "2", or "L" position)
3.. A/C switch ON.
a.. A/C switch circuit.
b.. Throttle position sensor IDL circuit.
c.. Park/neutral position switch circuit
d.. Accelerator pedal and cable.
e.. ECM
n/a OFF No