Who Knows Fault Cdes?

[sls]

Previa model 2001 2ltr petrol & Rav model 2002 2ltr petrol both have same symptons. After long runs MIL lamp comes on, same fault codes on both vehicles suggests all four lambda sensors. come on that can not be right, but fitted all four to the Previa (at great cost) still the same. both vehicles have about 48K on the clocks, both run & perform fine. MIL stays off untill 2 or 3 hundred mile run.

any thoughts would be massively appreciated.

regards Steve

[sjrainsford]

The fault codes only display the apparent fault that the engine management is seeing. But this can be caused by a number of things in reality.

Personally i'd go for either Cat failure, or the MAF sensor can sometimes give faults like this. Generally, a fault code won't point to all four lambda sensors, they tend to at least narrow it down to a bank. But, really this should be looked at by a Toyota garage - and i mean one that knows what they are doing!

[shutty]

The fault codes only display the apparent fault that the engine management is seeing. But this can be caused by a number of things in reality.

Personally i'd go for either Cat failure, or the MAF sensor can sometimes give faults like this. Generally, a fault code won't point to all four lambda sensors, they tend to at least narrow it down to a bank. But, really this should be looked at by a Toyota garage - and i mean one that knows what they are doing!

theres an ecu software update available and replacement cat is common especially to previa

Mainly sensor faults on rav, need the fauult codes really

DI–18

DIAGNOSTICS – ENGINE

DI12C–11

DIAGNOSTIC TROUBLE CODE CHART

SAE CONTROLLED

HINT:

Parameters listed in the chart may not be exactly the same as your reading due to the type of instrument

or other factors.

If a malfunction code is displayed during the DTC check in check mode, check the circuit for that code listed

in the table below. For details of each code, turn to the page referred to under the ’’See page ’’ for the respec-

tive ’’DTC No.’’ in the DTC chart.

DTC No.

(See Page)

Detection Item Trouble Area

CHK

ENG*1 Memory

P0100/31

(DI–26)

Mass Air Flow Circuit Malfunction

.

Open or short in air flow meter circuit

.

Air flow meter

.

Engine ECU

. .

P0101/31*2

(DI–32)

Mass Air Flow Circuit

Range/Performance

Problem

.

Air flow meter

. .

P0110/24

(DI–33)

Intake Air Temp. Circuit

Malfunction

.

Open or short in intake air temp. sensor circuit

.

Intake air temp. sensor (built into air flow meter)

.

Engine ECU

. .

P0115/22

(DI–39)

Engine Coolant Temp. Circuit

Malfunction

.

Open or short in water temp. sensor circuit

.

Water temp. sensor

.

Engine ECU

. .

P0120/41

(DI–46)

Throttle/Pedal Position Sensor/

Switch ”A” Circuit Malfunction

.

Open or short in throttle position sensor circuit

.

Throttle position sensor

.

Engine ECU

. .

P0121/41*2

(DI–52)

Throttle/Pedal Position Sensor/

Switch ”A” Circuit Range/Performance

Problem

.

Throttle position sensor

. .

P0125/91*2

(DI–53)

Insufficient Coolant Temp. for

Closed Loop Fuel Control

.

Air induction system

.

Fuel pressure

.

Injector injection

.

Gas leakage on exhaust system

.

Open or short in heated oxygen sensor (bank 1 sensor 1)

circuit

.

Oxygen sensor (bank 1 sensor 1)

. .

P0130/21

(DI–53)

Oxygen Sensor Circuit

Malfunction (Bank 1 Sensor 1)

.

Air induction system

.

EGR system

.

Fuel pressure

.

Injector injection

.

Open or short in heated oxygen sensor circuit

.

Heated oxygen sensor

. .

P0133/21*2

(DI–60)

Oxygen Sensor Circuit

Slow Response

(Bank 1 Sensor 1)

.

Air induction system

.

EGR system

.

Fuel pressure

.

Injector injection

.

Open or short in heated oxygen sensor circuit

.

Heated oxygen sensor

.

Engine ECU

. .

P0135/21

(DI–63)

Oxygen Sensor Heater

Circuit Malfunction

(Bank 1 Sensor 1)

.

Open or short in heater circuit of oxygen sensor

.

Oxygen sensor heater

Engine ECU

. .

P0136/27*2

(DI–65)

Oxygen Sensor Circuit Malfunction

(Bank 1 Sensor 2)

.

Open or short in heater circuit of oxygen sensor

.

Oxygen sensor

*2

.

DI–19

DIAGNOSTICS – ENGINE

P0141/21*2

(DI–63)

Oxygen Sensor Heater Circuit

Malfunction (Bank 1 Sensor 2)

.

Same as DTC No. P0135

. .

P0171/25

(DI–67)

Fuel Trim System too Lean

(Air–Fuel Ratio Lean Malfunction,

Bank 1)

.

Air intake (hose loose)

.

Fuel line pressure

.

Injector blockage

.

Oxygen sensor malfunction

.

Air flow meter

.

Water temp. sensor

*2

.

P0172/26

(DI–67)

System too Rich (Fuel Trim)

.

Injector leak, blockage

.

Mass air flow meter

.

Engine coolant temp. sensor

.

Ignition system

.

Fuel pressure

.

Gas leakage on exhaust system

.

Open or short in heated oxygen sensor (bank 1 sensor 1)

circuit

.

Heated oxygen sensor (bank 1 sensor 1)

. .

P0300/93*2

(DI–73)

Random/Multiple Cylinder

Misfire Detected

.

Ignition system

.

Injector

.

Fuel pressure

. Compression pressure . .

Valve clearance

.

Valve timing

.

Air flow meter

.

Water temp. sensor

.

Open or short in engine wire

.

Connector connection

.

Engine ECU

.

P0301/93*2

P0302/93*2

P0303/93*2

P0304/93*2

(DI–73)

Misfire Detected

– Cylinder 1

– Cylinder 2

– Cylinder 3

– Cylinder 4

P0325/52

(DI–79)

Knock Sensor 1 Circuit

Malfunction

.

Open or short in knock sensor 1 circuit

.

Knock sensor 1 (looseness)

.

Engine ECU

. .

P0335/12,13

(DI–82)

Crankshaft Position Sensor

”A” Circuit Malfunction

.

Open or short in crankshaft position sensor circuit

.

Crankshaft position sensor

.

Signal plate

.

Engine ECU

. .

P0340/12

(DI–84)

Camshaft Position Sensor

Circuit Malfunction

.

Open or short in camshaft position sensor circuit

.

Camshaft position sensor

.

Engine ECU

. .

P0420/94

(DI–86)

Catalyst System Efficiency Below

Threshold (Bank 1)

.

Gas leakage on exhaust system

.

Open or short in heated oxygen sensor circuit

.

Heated oxygen sensor

.

Three–way catalytic converter

. .

P0500/42

(DI–89)

Vehicle Speed Sensor

Malfunction

.

Combination meter

.

Open or short in No.1 vehicle speed sensor circuit

.

Engine ECU

.

No.1 vehicle speed sensor

. .

P0505/33

(DI–92)

Idle Control System

Malfunction

.

ISC valve is stuck or closed

.

Open or short in ISC valve circuit

.

Open or short A/C switch circuit

.

Air induction system

.

Engine ECU

. .

P1300/14

(DI–97)

Igniter Circuit Malfunction

(No.1)

.

Open or short in IGF and IGT1 circuit from ignition coil with

igniter to Engine ECU

.

No.1 ignition coil with igniter

.

Engine ECU

. .

DI–20

DIAGNOSTICS – ENGINE

P1305/15

(DI–97)

Igniter Circuit Malfunction

(No.2)

.

Open or short in IGF or IGT2 circuit from No.2 ignition coil with

igniter to engine ECU

.

No.2 ignition coil with igniter

.

Engine ECU

. .

P1310/14

(DI–97)

Igniter Circuit Malfunction

(No.3)

.

Open or short in IGF and IGT3 circuit from ignition coil with

igniter to Engine ECU

.

No.3 ignition coil with igniter

.

Engine ECU

. .

P1315/15

(DI–97)

Igniter Circuit Malfunction

(No.4)

.

Open or short in IGF or IGT4 circuit from No.4 ignition coil with

igniter to engine ECU

.

No.4 ignition coil with igniter

.

Engine ECU

. .

P1335/13

(DI–104)

VVT Sensor Circuit Malfunction

.

Open or short in VVT sensor circuit

.

VVT sensor

.

Engine ECU

. .

P1346/18

(DI–105)

VVT Sensor Circuit

Range/Performance Problem

.

Mechanical system (Jumping teeth of timing belt, belt

stretched)

.

Engine ECU

. .

P1349/59*2

(DI–107)

VVT System Malfunction

.

Valve timing

.

OCV

.

VVT controller assembly

.

Engine ECU

. .

P1520/95*2

(DI–114)

Stop Light Switch Signal Malfunction

.

Short in stop light switch signal circuit

.

Stop light switch

.

ECM

. .

P1600/96*2

(DI–117)

Engine ECU BATT Malfunction

.

Open in back up power source circuit

.

Engine ECU

. .

P1645/82

(DI–119)

Body ECU Malfunction

.

Body ECU

.

A/C ECU

.

Communication bus

. .

P1656/39

(DI–120)

OCV Circuit Malfunction

.

Open or short in OCV circuit (bank 1)

.

OCV

.

Engine ECU

. .

P1690/39*3

(DI–123)

OCV Circuit Malfunction (for

VVL)

.

Open or short in OCV circuit

.

OCV for VVL

.

ECM

. .

P1692/39*3

(DI–127)

OCV Open Malfunction (for VVL)

.

Open or short in OCV circuit

.

OCV for VVL

.

ECM

. .

P1693/39*3

(DI–127)

OCV Close Malfunction (for VVL)

.

Open or short in OCV circuit

.

OCV for VVL

.

ECM

. .

*1: – Check engine warning light does not light up.

Check engine warning light lights up.

*2: European spec. only

*3: 2ZZ–GE only

[BelgarumVenta]

And what are the Lotto numbers for tomorrow please shutty :)

[shutty]

And what are the Lotto numbers for tomorrow please shutty :)

hmmm

Cant help on that score i only know tonights for the euro one

sorry

:)