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KZN130 1KZ-TE ­ Engine Control Computer (Aug-1993~)

KZN130 1KZ-TE - Engine Control Diagnosis Trouble Codes List Code No Diagnosis Item Diagnosis Contents 1. Diagnosis condition 2. Abnormal condition 3. Abnormal term 12 Revolution Signal 1 [TDC+, TDC-] 1. Engine revolution is more than 400rpm 2. No crank position signal (TDC signal) input 13 Revolution Signal 2 [NE+, NE-] 1. Engine revolution is more than 680rpm, STA is OFF 2. No NE signal input 3. More than 0.5 seconds 1. For 2 seconds after STA ON signal is input 2. No NE signal input 14 Timer Control Valve [TCV] 1. Coolant temperature is 45°C or more, +B is 11V or more, while injection timing feedback is activated, STA is OFF 2. Timing is differ from target approx.7° (crank angle). 3. More than 5 seconds 16 22 ECT CPU Sensor [THW, E2] 2. ECT CPU malfunction temperature senor circuit 3. More than 0.5 seconds · · 24 Intake Temperature 2. Open or short in intake Sensor [THA, E2] 32 Correction Resistance [VRP, VRT, E2] temperature sensor circuit 3. More than 0.5 seconds 2. Open or short in correction resistance circuit 3. More than 0.5 seconds · · · · · · · · Engine control computer Wiring and connector (water temperature sensor circuit) Water temperature senor Engine control computer Wiring and connector (intake temperature sensor circuit) Intake temperature sensor Engine control computer Wiring and connector (correction resistance circuit) Correction resistance Engine control computer · · · · · Wiring and connector Fuel filter (choked) Fuel (frozen, air-in) Injection pump (internal pressure) Engine control computer · · Wiring and connector (diesel · · Wiring and connector (crank position sensor) Engine control computer Probable Inspection Area

engine revolution sensor) Engine control computer

Water Temperature 2. Open or short in water

35

Turbo Sensor

Pressure 1.

Engine

revolution

is

· · · · · · · ·

Wiring

and

connector

(turbo

2400rpm or more, accelerator position is 52% or more 2. Intake pressure signal is abnormally low or high. 3. More than 2 seconds

pressure sensor circuit) Turbo pressure sensor Gas filter (choked) Turbo charger Engine control computer Wiring and connector (fuel temperature sensor circuit) Fuel temperature sensor Engine control computer Wiring and connector (throttle position sensor circuit) · Engine control computer Wiring and connector (speed sensor circuit) · · Speed sensor Engine control computer ·

[PIM, VC, E2]

39

Fuel Sensor

Temperature 2. Open or short in fuel temperature sensor circuit

[THF, E2]

41

Throttle Sensor

Position 2. Open or short in throttle position sensor circuit 1. M/T: engine revolution is 2400rpm or more and less than 4000rpm, accelerator position is 52% or more, coolant temperature is 60° or more. A/T: engine revolution is 2800rpm or more, shift position is other than P, N range. 2. Vehicle speed signal is 0km/h 3. More than 8 seconds

·

[IDL, VA, VC, E2] 42 Speed Sensor [SP1]

43

Starter Signal [STA]

1.

Engine

revolution

is

· ·

Wiring and connector Engine control computer

1200rpm or more 2. Starter signal 3. More than 10 seconds

51

Switch Signal [A/C, IDL, NSW]

1. Connected TE1 and E1 of the diagnosis connector, A/C ON or IDL contact OFF and STA OFF (for A/T, shift position is other than P, N range)

·

Wiring

and

connector

(A/C

switch, throttle position sensor IDL circuit, neutral start switch) · · Throttle position sensor Engine control computer

KZN130 1KZ-TE - Engine Control Computer Terminal Configuration

Terminal No.

Terminal Name

Terminal No.

Terminal Name

Terminal No.

Terminal Name

Terminal No.

Terminal Name

A-1 A-2 A-3 A-4 A-5 A-6 A-7 A-8 A-9 A-10 A-11 A-12

+BF BATT +BG ACT G-IND +B W IGSW A/C SP1 TAC

B-1 B-2 B-3 B-4 B-5 B-6 B-7 B-8 B-9 B-10 B-11 B-12 B-13 B-14 B-15 B-16

THF PIM THA THW VRP TE1 VF E2 VA VC IDL

C-1 C-2 C-3 C-4 C-5 C-6 C-7 C-8 C-9 C-10 C-11 C-12 C-13

EGR STA H-IND NE+ TDC+

C-17 C-18 C-19 C-20 C-21 C-22

NETDC-

SVR M-REL S/TH2 S/TH1 SPV TCV E01 S-REL HSW

C-23 C-24 C-25 C-26

FSW E1

E02

VRT TE2

C-14 C-15 C-16

KZN130 Manual Transmission Inspection Item Terminal BA ­ E1 TT +B ­ E1 +BF ­ E1 Power Engine is stopped, IG ON +BG ­ E1 IGSW ­ E1 VC ­ E1 ECD Main Relay Spill Valve Relay M-REL ­ E1 SVR ­ E1 Engine is stopped, IG ON Engine is stopped, IG ON Engine is stopped, IG ON Atmosphere pressure (760mmHg) Turbo Sensor Pressure PIM ­ E1 When apply negative pressure of 300mmHg (460mmHg) When apply pressure of 1kg/cm2 VA ­ E1 Throttle Sensor IDL ­ E1 Intake Temperature Sensor Water Temperature Sensor Crank Sensor Speed Sensor Revolution Signal Starter Signal Position Position Close throttle valve fully Open throttle valve fully Close throttle valve fully Open throttle valve fully THA ­ E1 THW ­ E1 TDC+ - TDCSP1 ­ E1 NE+ - NESTA ­ E1 Intake temperature is 0~80°C (after warmed up engine) Coolant temperature is 60~120°C (after warmed up engine) While idling While driving vehicle at approx.20km/h While idling While cranking Engine is stopped, IG ON Electric Spill Valve SPV ­ E1 While idling Engine is stopped, IG ON Timer Control Valve TCV ­ E1 While idling 4.0~4.6 0.1~0.8 3.2~4.9 0~3 9~14 0.5~3.4 0.1~0.8 Generation pulse occurs Generation pulse occurs Generation pulse occurs 6 or more 9~14 Generation pulse occurs 9~14 Generation pulse occurs 4.5~5.5 9~14 0~1.5 1.3~1.9 0.2~0.9 9~14 Always Inspection Condition Standard (V) 9~14

Correction Resistance

VRP ­ E1 VRT ­ E1

Engine is stopped, IG ON Engine is stopped, IG ON While idling

0.2~4.5 0~5 9~14 0~3 9~14 0~3 seconds for 2

EGR Control

EGR ­ E1

After warmed up engine, maintain engine revolution at 1500rpm and hold it Engine is stopped, IG ON

VSV No.1

S/TH1 ­ E1 Turn IG from ON to OFF Coolant temperature is less than 75°C, while

9~14 0~3 seconds 0.5~3.4 9~14 0~1.5 0~3 9~14 for 2

VSV No.2

S/TH2 ­ E1

idling Turn IG from ON to OFF

Fuel Sensor

Temperature

THF ­ E1

IG ON (when cold start) Turn IG from OFF to ON While idling (after after-glow is completed)

Glow Plug Relay Glow Lamp Indicator

S-REL ­ E1

G-IND ­ E1

Turn IG from OFF to ON While idling When check engine warning lam is ON (disconnect connector from

water 0~3

Check Engine Lamp

W ­ E1

temperature sensor) While idling (when warning lam is OFF) 9~14 Generation pulse occurs

Tachometer Output

TAC ­ E1

While idling A/C ON (magnet clutch ON) A/C OFF

A/C ­ E1 A/C Signal ACT ­ E1

0~1.5 7.5~14 9~14 0~3 9~14 0~3

A/C ON (magnet clutch ON) A/C OFF

Others

TE1, TE2 ­ E1

Engine is stopped, IG ON Connected TE1 and E1, TE2 and E1 of the diagnosis connector

Connected TE1 and E1 of the diagnosis connector (when there is no diagnosis 4.3~5.7 trouble code memorised) VF ­ E1 Disconnect connector from water 0~1 temperature senor, and connect TE1 and E1 of the diagnosis connector (when diagnosis Others H-IND ­ E1 HSW ­ E1 E1, E2, E01, E02 ­ body (inspection of continuity) earth trouble code output) When heater indicator lamp is ON When depressed heater idle up switch When released heater idle up switch 0~3 0~3 9~14 (always continuity)

Terminal No A-1 A-2 A-3 A-4 A-5 A-6 A-7 A-8 A-9 A-10 A-11 A-12 A-13 A-14 A-15 A-16

Terminal Name BATT +BG M-REL STP W

Terminal No A-17 A-18 A-19 A-20 A-21 A-22

Terminal Name OIL-W TAC ATC DG OD1 NSW

Terminal No B-1 B-2 B-3 B-4 B-5 B-6 B-7 B-8 B-9 B-10 B-11 B-12 B-13 B-14 B-15 B-16

Terminal Name VC PIM THA THW THF VRP VRT VF E2 TFN V A IDL THO TE2 TE1

Terminal No C-1 C-2 C-3 C-4 C-5 C-6 C-7 C-8 C-9 C-10 C-11 C-12 C-13 C-14 C-15 C-16

Terminal Name SL S1

Terminal No C-17 C-18 C-19

Terminal Name NETDCSP2 L 2 N L4 EGR S-REL E02

NE+ TDC+

C-20 C-21 C-22

G-IND H-IND SP1 A/C STA +B +BF IGSW P OD2

SVR HSW S/TH2 S/TH1 SPV TCV E01 E1 S2

C-23 C-24 C-25 C-26

KZN130 Automatic Transmission Inspection Item Terminal BATT ­ E1 +B ­ E1 +BF ­ E1 Power +BG ­ E1 IGSW ­ E1 VC ­ E1 ECD Main Relay Spill Valve Relay M-REL ­ E1 SVR ­ E1 Engine is stopped, IG ON Engine is stopped, IG ON Engine is stopped, IG ON Atmosphere pressure (760mmHg) Turbo Sensor Pressure PIM ­ E1 When apply negative pressure of 300mmHg (460mmHg) When apply pressure of 1kg/cm2 VA ­ E1 Throttle Sensor IDL ­ E1 Intake Temperature Sensor Water Temperature Sensor Crank Sensor Position Position Close throttle valve fully Open throttle valve fully Close throttle valve fully Open throttle valve fully THA ­ E1 THW ­ E1 TDC+ - TDCSP1 ­ E1 Speed Sensor SP2 ­ E1 Revolution Signal Starter Signal NE+ - NESTA ­ E1 Intake temperature is 0~80°C (after warmed up engine) Coolant temperature is 60~120°C (after warmed up engine) While idling While driving vehicle 4.5~5.5 9~14 0~1.5 1.3~1.9 0.2~0.9 4.0~4.6 0.1~0.8 3.2~4.9 0~3 9~14 0.5~3.4 0.1~0.8 Generation pulse occurs at Generation pulse occurs Generation pulse occurs Generation pulse occurs While cranking Engine is stopped, IG ON Electric Spill Valve SPV ­ E1 While idling 6 or more 9~14 Generation pulse occurs Engine is stopped, IG ON 9~14 Always Inspection Condition Standard (V) 9~14

approx.20km/h Rotate drive wheel slowly While idling

Timer Valve Correction Resistance

Control

Engine is stopped, IG ON TCV ­ E1 While idling VRP ­ E1 VRT ­ E1 Engine is stopped, IG ON Engine is stopped, IG ON While idling

9~14 Generation pulse occurs 0.2~4.5 0~5 9~14

EGR Control

EGR ­ E1

After warmed up engine, maintain engine revolution at 1500rpm and 0~3 hold it Engine is stopped, IG ON 9~14 0~3 seconds 9~14 0~3 seconds 9~14 0~1.5 0~3 9~14 for 2 for 2

VSV No.1

S/TH1 ­ E1 Turn IG from ON to OFF Coolant temperature is 75°C, while

VSV No.2

S/TH2 ­ E1

idling Turn IG from ON to OFF Turn IG from OFF to ON

Glow Plug Relay

S-REL ­ E1

While idling (after after -glow is completed)

Glow Lamp

Indicator

G-IND ­ E1

Turn IG from OFF to ON While idling When check engine warning lamp is

Check Lamp

Engine

ON (disconnect connector from 0~3 W ­ E1 water temperature sensor) While idling (when warning lamp is OFF) 9~14 0~3 9~14 Generation pulse occurs 0~1.5 7.5~14 9~14 0~3

Neutral Switch

Start

NSW ­ E1

Shift lever is P, N range Shift lever is other than P, N range

Tachometer Output

TAC ­ E1

While idling A/C ON (magnet clutch ON) A/C OFF

AC ­ E1 A/C Signal ACT ­ E1

A/C ON (magnet clutch ON) A/C OFF

Fuel Sensor

Temperature

THF ­ E1

IG ON (when cold start) Engine is stopped, IG ON

0.5~3.4 9~14 0~3

TE1, TE2 ­ E1

Connected TE1 and E1, TE2 and E1 of the diagnosis connector Connected TE1 and E1 of the diagnosis connector (when there is no diagnosis trouble code memorised)

4.3~5.7

VF ­ E1 Others

Disconnect connector from water temperature sensor, connected TE1 and E1 of the diagnosis connector 0~1 (when output) diagnosis trouble codes

H-IND ­ E1

When heater indicator lamp is ON When depressed heater idle up

0~3 0~3 9~14 (always continuity)

HSW ­ E1

switch When released heater idle up switch

E1, E2, E01, E02 ­ body earth

(inspection of continuity)

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