1998 OPEL FRONTERA relay

6E–55 4JX1–TC ENGINE DRIVEABILITY AND EMISSIONS
DTC
using a
Te c h 2Flash DTCDescriptionMIL
P047571EXH #1 VSV Circuit Open/Short—
P147571EXH #2 VSV Circuit Open/Short—
P148574Intake Throttle Position Sensor Low VoltageON
P148674Intake Throttle Position Sensor High VoltageON
P148773Intake Throttle System Circuit Open/ShortON
P148872Intake Throttle Motor Control Circuit Signal Gap—
P050224Vehicle Speed Sensor No SignalON
P051075Idle SW Malfunction, Open CircuitON
P151075Idle SW Malfunction, Short CircuitON
P056235System Voltage Too LowON
P156235System Voltage Too Low at CrankingON
P158725Brake SW Malfunction [B]—
P158825Brake SW Malfunction [A]ON
P060155ECM Checksum ErrorON
P162656Immobilizer No SignalON
P163156Immobilizer Wrong SignalON
P164856No Security Code EnteredON
P164956Immobilizer Function not ProgrammedON
P065077Check Engine Lamp Circuit Open/Short—
P065427Techometer Circuit Open/Short—
P165517Thermo Relay Circuit Open/Short—
P165776ECM Main Relay Circuit Open/Short—
P158947TransMission SW Circuit Open/Short—

6E–57 4JX1–TC ENGINE DRIVEABILITY AND EMISSIONS
DTC P0107 – MAP Sensor Circuit Low Voltage
StepActionVa l u e ( s )Ye sNo
1Was the “On-Board Diagnostic (OBD) System Check”
performed?
—Go to Step 2
Go to OBD
System
Check
2Put the engine into an idling status.
Is the MAP voltage value displayed on the Tech 2 below
the specified value?
0.25 VGo to Step 3
Refer to
Diagnostic
Aids
and
Symptom
Diagnosis
31. Turn off the ignition switch.
2. Remove the sensor connector connection.
3. Jumper between harness pins “red” and “blue”
wires.
4. Turn on the ignition switch “ON”.
Is the MAP voltage reading above the specified value?
4 VGo to Step 5Go to Step 4
41. Turn off the ignition switch.
2. Remove the jumper wire.
3. Connect the relay & solenoid checker
(5-8840-0386-0) to the battery voltage, then check
the MAP signal circuit (blue wire).
4. Turn on the ignition switch.
Is the value displayed on the Tech 2 above the specified
value?
4 VGo to Step 6Go to Step 7
5Check the terminal connection at the MAP sensor and
repair or replace terminal if necessary.
Is the action complete?
—Verify repair—
6Repair the 5V power circuit (red) harness or Replace
the ECM (Refer to the Data Programming in Case of
ECM change).
Is the action complete?
—Verify repair—
7Repair the signal circuit (blue) harness or Replace the
ECM (Refer to the Data Programming in Case of ECM
change).
Is the action complete?
—Verify repair—

6E–59 4JX1–TC ENGINE DRIVEABILITY AND EMISSIONS
Sensor Circuit High Voltage
StepActionVa l u e ( s )Ye sNo
1Was the “On-Board Diagnostic (OBD) System Check”
performed?
—Go to Step 2
Go to OBD
System
Check
2Put the engine into an idling status.
Is the MAP voltage value displayed on the Tech 2
above the specified value?
4 VGo to Step 3Go to Step 4
31. Turn off the ignition switch.
2. Remove the sensor connector connection.
3. Turn on the ignition switch “ON”.
Is the MAP voltage value displayed on the Tech 2 below
the specified value?
1 VGo to Step 5Go to Step 6
4Is the MAP voltage value displayed on the Tech 2 below
the specified value?
1 V
Refer to
Chart P0107
Refer to
Diagnostic
Aids
and
Symptom
Diagnosis
5Connect the relay and solenoid checker
(5-8840-0386-0) to the battery voltage, then check the
sensor grounding circuit.
Does the checker lamp come on?
—Go to Step 7Go to Step 8
6A voltage short circuit occurs in the MAP signal circuit
or this circuit is shorted with the 5V power circuit.
Repair the harness or Replace the ECM (Refer to the
Data Programming in Case of ECM change).
Is the action complete?
—Verify repair—
7Replace the MAP sensor hose or the MAP sensor.
Is the action complete?
—Verify repair—
8Repair the harness for open ground circuit.
Is the action complete?
—Verify repair—

6E–92
4JX1–TC ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Trouble Code (DTC) P1196 (Flash DTC 62)
Rail Pressure System High Warning
060RW178
Legend
(1) ECM
(2) Meter Panel
(3) Battery
(4) Oil Temp Sensor
(5) Rail Pressure Sensor
(6) Glow Relay
(7) Oil Rail
(8) Tech–2
(9) A/C Comp Relay
(10) RPCV
(11) Intake Air Temp Sensor
(12) Engine Coolant Temp Sensor
(13) MAP Sensor
(14) EGR Valve
(15) EGR Pressure Sensor(16) High Pressure Oil Pump
(17) Fuel Pump
(18) VSV
(19) EXH Throttle VSV1
(20) EXH Throttle VSV2
(21) EVRV
(22) Engine Harness Connector
(23) QWS Relay
(24) AP Sensor
(25) T.O.D
(26) ECT
(27) OBD
(28) TDC
(29) Injector
(30) Edge Filter

6E–126
4JX1–TC ENGINE DRIVEABILITY AND EMISSIONS
Diagnostic Trouble Code (DTC) P0380 (Flash DTC 66)
Glow Relay Circuit Open/Short
060RW132
Circuit Description
Glow relay circuit receives current through Glow 50A fuse
from the battery. Glow relay is circuited to Glow plug.
Action Taken When the DTC Sets
The ECM will store conditions which were present
when the DTC was set as Freeze Frame and in the
Failure Records data.
Conditions for Clearing the MIL/DTC
DTC P0380 can be cleared by using the Tech 2 “Clear
Info” function or by disconnecting the ECM battery
feed.
Diagnostic Aids
An intermittent may be caused by a poor connection,
rubbed-through wire insulation or a wire broken inside the
insulation. Check for:
Poor connection – Inspect the ECM harness and
connectors for improper mating, broken locks,
improperly formed or damaged terminals, and poor
terminal-to-wire connection.
Damaged harness – Inspect the wiring harness for
damage.

6E–127 4JX1–TC ENGINE DRIVEABILITY AND EMISSIONS
DTC P0380 – Glow Relay Circuit Open/Short
StepActionVa l u e ( s )Ye sNo
1Was the “On-Board Diagnostic (OBD) System Check”
performed?
—Go to Step 2
Go to OBD
System
Check
2Attempt to start the engine.
Does the engine start?
—Go to Step 3Go to Chart 3
31. Review and record Failure Records information.
2. Clear DTC P0380.
3. Start the engine and idle for 1 minute.
4. Observe DTCs.
Is DTC P0380 set?
—Go to Step 4
Refer to
Diagnostic
Aid
4Check the glow fuse 50A.
Is the glow fuse 50A damage?
—Go to Step 5Go to Step 6
5Replace the glow fuse 50A.
Is the action complete?
—Verify repairGo to Step 6
61. Ignition “OFF.”
2. Check for an open or a short to ground in the Glow
relay circuit between the Glow relay connector and
the ECM harness connector.
3. If a problem is found, repair as necessary.
Was a problem found?
—Verify repairGo to Step 7
7Check the connections at the Glow relay and replace
the terminals if necessary.
Did any terminals require replacement?
—Verify repairGo to Step 8
8Replace the Glow relay.
Is the action complete?
—Verify repairGo to Step 9
9Check the connections at the ECM and replace the
terminals if necessary.
Did any terminals require replacement?
—Verify repair Go to Step 10
10Replace the ECM (Refer to the Data Programming in
Case of ECM change).
Is the action complete?
—Verify repair—

6E–135 4JX1–TC ENGINE DRIVEABILITY AND EMISSIONS
DTC P0405 – EGR Pressure Sensor Low Voltage
StepNo Ye s Va l u e ( s ) Action
31. Turn off the ignition switch.
2. Remove the sensor connector connection.
3. Jumper between harness pins “red” and “blue”
wires.
4. Turn on the ignition switch “ON”.
Is the EGR pressure sensor voltage reading above the
specified value?
4 VGo to Step 5Go to Step 4
41. Turn off the ignition switch.
2. Remove the jumper wire.
3. Connect the relay & solenoid checker
(5-8840-0386-0) to the battery voltage, then check
the EGR pressure sensor signal circuit (blue wire).
4. Turn on the ignition switch.
Is the value displayed on the Tech 2 above the specified
value?
4 VGo to Step 6Go to Step 7
5Check the terminal connection at the EGR pressure
sensor and repair or replace terminal if necessary.
Is the action complete?
—Verify repair—
6Repair the 5V power circuit (red) harness or Replace
the ECM (Refer to the Data Programming in Case of
ECM change).
Is the action complete?
—Verify repair—
7Repair the signal circuit (blue) harness or Replace the
ECM (Refer to the Data Programming in Case of ECM
change).
Is the action complete?
—Verify repair—

6E–139 4JX1–TC ENGINE DRIVEABILITY AND EMISSIONS
DTC P0406 – EGR Pressure Sensor High Voltage
StepNo Ye s Va l u e ( s ) Action
4Is the EGR pressure sensor voltage value displayed on
the Tech 2 below the specified value?
1 V
Refer to
Chart P0107
Refer to
Diagnostic
Aids
andSymp
tom
Diagnosis
5Connect the relay and solenoid checker
(5-8840-0386-0) to the battery voltage, then check the
sensor grounding circuit.
Does the checker lamp come on?
—Go to Step 7Go to Step 8
6A voltage short circuit occurs in the MAP signal circuit
or this circuit is shorted with the 5V power circuit.
Repair the harness or Replace the ECM (Refer to the
Data Programming in Case of ECM change).
Is the action complete?
—Verify repair—
7Replace the EGR pressure sensor hose or the EGR
pressure sensor.
Is the action complete?
—Verify repair—
8Repair the harness for open ground circuit.
Is the action complete?
—Verify repair—