battery MITSUBISHI MONTERO 1998 User Guide

NOTE: Refer to WIRING DIAGRAMS for connector identification.
1) Before proceeding, see SERVICE PRECAUTIONS. Deactivate
SRS. See DISABLING & ACTIVATING AIR BAG SYSTEM .
2) Check front impact sensor, and replace if necessary. See
FRONT IMPACT SENSORS under REMOVAL & INSTALLATION. Measure SRS Check
Harness (MB991613) connector No. 5. Disconnect SRS-ECU connector C-122\
and connect SRS check harness connector No. 3 to C-122. Measure
resistance between terminals for normal value of 1,900-2,100 ohms. If
resistance is not as specified, go to next step. If resistance is as
specified, check for trouble symptoms. If fault exists, replace SRS-
ECU. See SRS AIR BAG CONTROL UNIT (ECU) under REMOVAL & INSTALLATION.
3) Check connector A-71, A-75, C-113, and C-122, and repair
if necessary. If connectors are okay, check for trouble symptoms. If
fault exists, inspect harness between SRS-ECU and front impact sensor,
and replace harness if necessary.
DTC 14: ANALOG "G" SENSOR SYSTEM
Before proceeding, see SERVICE PRECAUTIONS. Replace SRS-ECU.
See SRS AIR BAG CONTROL UNIT (ECU) under REMOVAL & INSTALLATION.
DTC 15 & 16: SAFING "G" SENSOR SYSTEM
Before proceeding, see SERVICE PRECAUTIONS. Replace SRS-ECU.
See SRS AIR BAG CONTROL UNIT (ECU) under REMOVAL & INSTALLATION.
DTC 21, 22 & 61: DRIVER-SIDE AIR BAG MODULE (SQUIB) SYSTEM
WARNING: During the following procedure, never measure circuit
resistance of air bag module (squib), even when using
specified DVOM. If circuit resistance is measured, it may
cause accidental air bag deployment and personal injury.
NOTE: Refer to WIRING DIAGRAMS for connector identification.
1) Before proceeding, see SERVICE PRECAUTIONS. Deactivate
SRS. See DISABLING & ACTIVATING AIR BAG SYSTEM .
2) Perform clockspring test, and repair as necessary. See
CLOCKSPRING TEST under COMPONENT TESTING. Disconnect clockspring
connector C-129. Connect SRS Check Harness (MB991613) connector No. 1
to clockspring connector. Connect negative battery cable. Erase DTC
memory and check if DTCs 21, 22, or 61 are set. If any of these DTCs
are output, go to next step. If DTCs are not output, go to step 4).
3) Check SRS-ECU connector C-122 and clockspring connector C-
129, and repair as necessary. If connectors are okay, check for
trouble symptoms. If fault exists, check harness between SRS-ECU and
clockspring. Disconnect connector C-122 and C-129. Connect SRS Check
Harness connector No. 1 to C-129 and No. 3 to C-122. Check resistance
between terminals No. 5 and 6. If resistance is approximately 3 ohms,
replace SRS-ECU. See SRS AIR BAG CONTROL UNIT (ECU) under REMOVAL &
INSTALLATION. If resistance is not as specified, repair as necessary.
4) Check connector C-129 and 1 (air bag module connector),
and repair if necessary. If connectors are okay, check trouble
symptoms. If fault exists, replace driver-side air bag module. See
DRIVER-SIDE AIR BAG MODULE under REMOVAL & INSTALLATION.
DTC 24, 25 & 64: PASSENGER-SIDE AIR BAG MODULE (SQUIB) SYSTEM
WARNING: During the following procedure, never measure circuit
resistance of air bag module (squib), even when using
specified DVOM. If circuit resistance is measured, it may

cause accidental air bag deployment and personal injury.
NOTE: Refer to WIRING DIAGRAMS for connector identification.
1) Before proceeding, see SERVICE PRECAUTIONS. Deactivate
SRS. See DISABLING & ACTIVATING AIR BAG SYSTEM .
2) Disconnect passenger-side air bag connector C-107. Connect
SRS Check Harness (MB991613) connector No. 1 to passenger-side air bag\
connector. Erase DTC memory and check if DTCs 24, 25, or 64 are set.
If any of these DTCs are output, go to next step. If DTCs are not
output, replace passenger-side air bag module. See
PASSENGER-SIDE AIR BAG MODULE under REMOVAL & INSTALLATION.
3) Check connectors C-107 and C-122, and repair if necessary.
If connectors are okay, check trouble symptoms. If fault is still
present, check harness wire between passenger-side air bag module and
SRS-ECU, and repair if necessary. If harness wire is okay, replace
SRS-ECU. See SRS AIR BAG CONTROL UNIT (ECU) under REMOVAL &
INSTALLATION.
DTC 31 & 32: SRS-ECU CAPACITOR SYSTEM
Before proceeding, see SERVICE PRECAUTIONS. Replace SRS-ECU.
See SRS AIR BAG CONTROL UNIT (ECU) under REMOVAL & INSTALLATION.
DTC 34: CONNECTOR LOCK SYSTEM
NOTE: If vehicle condition returns to normal, DTC will be erased
and SRS warning light will return to normal.
NOTE: Refer to WIRING DIAGRAMS for connector identification.
Before proceeding, see SERVICE PRECAUTIONS. Check connector
C-122 and repair if necessary. If connector is okay, check for trouble
symptom. If fault exists, replace SRS-ECU. See
SRS AIR BAG CONTROL UNIT (ECU) under REMOVAL & INSTALLATION.
DTC 35: SRS-ECU SYSTEM (AFTER AIR BAG DEPLOYMENT)
Before proceeding, see SERVICE PRECAUTIONS. Replace SRS-ECU.
See SRS AIR BAG CONTROL UNIT (ECU) under REMOVAL & INSTALLATION.
DTC 41: IG1 (A) POWER CIRCUIT SYSTEM
NOTE: If vehicle condition returns to normal, DTC will be erased
and SRS warning light will return to normal.
NOTE: Refer to WIRING DIAGRAMS for connector identification.
1) Before proceeding, see SERVICE PRECAUTIONS. Deactivate
SRS. See DISABLING & ACTIVATING AIR BAG SYSTEM .
2) Measure SRS Check Harness (MB991613) connector No. 5.
Disconnect SRS-ECU connector C-122 and connect SRS check harness
connector No. 3 to C-122. Check terminal No. 20 and 21 for continuity
to ground. If there is no continuity, go to next step. If there is
continuity, go to step 4).
3) Check connector C-122 and repair if necessary. If
connector is okay, check for trouble symptom. If fault exists, check
harness wire between SRS-ECU and ground, and repair if necessary.
4) Measure SRS check harness connector No. 5. Disconnect SRS-
ECU connector C-122 and connect SRS harness check connector No. 3 to
C-122. Connect negative battery cable and turn ignition switch to ON
position. If voltage between terminal No. 14 and body ground is 9

volts or more, replace SRS-ECU. See SRS AIR BAG CONTROL UNIT (ECU)
under REMOVAL & INSTALLATION. If voltage is not as specified, check
connector C-93, C-101, and C-132, and repair if necessary. If
connectors are okay, check for trouble symptoms. If fault still
exists, check harness wire between SRS-ECU and ignition switch IG1
(A), and repair if necessary.
DTC 42: IG1 (B) POWER CIRCUIT SYSTEM
NOTE: If vehicle condition returns to normal, DTC will be erased
and SRS warning light will return to normal.
NOTE: Refer to WIRING DIAGRAMS for connector identification.
1) Before proceeding, see SERVICE PRECAUTIONS. Deactivate
SRS. See DISABLING & ACTIVATING AIR BAG SYSTEM .
2) Measure SRS Check Harness (MB991613) connector No. 5.
Disconnect SRS-ECU connector C-122 and connect SRS check harness
connector No. 3 to C-122. Check terminal No. 20 and 21 for continuity
to ground. If there is no continuity, go to next step. If there is
continuity, go to step 4).
3) Check connector C-122 and repair if necessary. If
connector is okay, check for trouble symptoms. If fault still exists,
check harness wire between SRS-ECU and ground, and repair if
necessary.
4) Measure SRS check harness connector No. 5. Disconnect SRS-
ECU connector C-122 and connect SRS harness check connector No. 3 to
C-122. Connect negative battery cable and turn ignition switch to ON
position. If voltage between terminal No. 13 and body ground is 9
volts or more, replace SRS-ECU. See SRS AIR BAG CONTROL UNIT (ECU)
under REMOVAL & INSTALLATION. If voltage is not as specified, check
connector C-80, C-93, and C-101, and repair if necessary. If
connectors are okay, check for trouble symptoms. If fault still
exists, check harness wire between SRS-ECU and ignition switch IG1
(B), and repair if necessary.
DTC 43: SRS WARNING LIGHT CIRCUIT
NOTE: Refer to WIRING DIAGRAMS for connector identification.
Light Does Not Come On
1) Before proceeding, see SERVICE PRECAUTIONS. Deactivate
SRS. See DISABLING & ACTIVATING AIR BAG SYSTEM .
2) Measure SRS Check Harness (MB991613) connector No. 5.
Disconnect SRS-ECU connector C-122 and connect SRS check harness
connector No. 3 to C-122. Check terminal No. 20 and 21 for continuity
to ground. If there is no continuity, go to next step. If there is
continuity, go to step 4).
3) Check connector C-122 and repair if necessary. If
connector is okay, check for trouble symptoms. If fault still exists,
check harness wire between SRS-ECU and ground, and repair if
necessary.
4) Measure SRS check harness connector No. 5. Disconnect SRS-
ECU connector C-122 and connect SRS harness check connector No. 3 to
C-122. Connect negative battery cable and turn ignition switch to ON
position. Connect terminal No. 15 to body ground. If SRS warning light
comes on, replace SRS-ECU. See SRS AIR BAG CONTROL UNIT (ECU) under
REMOVAL & INSTALLATION. If SRS warning light does not come on, inspect
for blown bulb and repair if necessary. If bulb is okay, check
connector C-04, C-11, C-96, and C-101, and repair if necessary. If
connectors are okay, check for trouble symptoms. If fault still
exists, check harness wire between SRS-ECU and ignition switch IG1,
and repair if necessary. If harness wire is okay, replace combination

meter.
Light Does Not Turn Off
1) Before proceeding, see SERVICE PRECAUTIONS. Connect
negative battery cable and turn ignition switch to ON position. If SRS
warning light stays on when C-122 is disconnected, go to next step. If
SRS warning light turns off when C-122 is disconnected, replace SRS-
ECU. See SRS AIR BAG CONTROL UNIT (ECU) under REMOVAL & INSTALLATION.
2) Check connector C-122, and repair if necessary. If
connector is okay, check trouble symptoms. If fault still exists,
check wire harness between SRS-ECU and combination meter, and repair
if necessary.
DTC 44: SRS WARNING LIGHT DRIVE CIRCUIT SYSTEM
NOTE: If vehicle condition returns to normal, DTC will be erased
and SRS warning light will return to normal.
Before proceeding, see SERVICE PRECAUTIONS. Check SRS warning
light drive circuit system. If warning light drive system is okay,
replace SRS-ECU. See SRS AIR BAG CONTROL UNIT (ECU) under REMOVAL &
INSTALLATION. Check for DTCs. See SYSTEM OPERATION CHECK.
DTC 45: SRS-ECU EEPROM & A/D CONVERTER SYSTEM
Before proceeding, see SERVICE PRECAUTIONS. Replace SRS-ECU.
See SRS AIR BAG CONTROL UNIT (ECU) under REMOVAL & INSTALLATION.
DTC 51 & 52: DRIVER-SIDE AIR BAG MODULE (SQUIB IGNITION
DRIVE CIRCUIT) SYSTEM
Before proceeding, see SERVICE PRECAUTIONS. Replace SRS-ECU.
See SRS AIR BAG CONTROL UNIT (ECU) under REMOVAL & INSTALLATION.
DTC 54 & 55: PASSENGER-SIDE AIR BAG MODULE (SQUIB
IGNITION DRIVE CIRCUIT) SYSTEM
Before proceeding, see SERVICE PRECAUTIONS. Replace SRS-ECU.
See SRS AIR BAG CONTROL UNIT (ECU) under REMOVAL & INSTALLATION.
COMPONENT TESTING
CLOCKSPRING TEST
1) Before proceeding, see SERVICE PRECAUTIONS. Deactivate
system. See DISABLING & ACTIVATING AIR BAG SYSTEM .
2) Remove driver-side air bag module and clockspring. See
DRIVER-SIDE AIR BAG MODULE & CLOCKSPRING under REMOVAL & INSTALLATION.
Check connectors, protective tubing, and case for damage, and
terminals for deformities. Check for continuity between No. 1
connector of clockspring and connectors No. 3 and 4. See Figs. 12 and
13.
3) Align paint mark of SRS Check Harness (MB991613) connecto\
r
No. 4 with notch in clockspring connector No. 2 and connect. See
Fig. 14 . Check continuity between terminals No. 22 and 23 of SRS check
harness connector No. 5. See Fig. 13.
4) Replace clockspring if any damage was found or continuity
does not exist between specified terminals. See
DRIVER-SIDE AIR BAG MODULE & CLOCKSPRING under REMOVAL & INSTALLATION.

1) Inspect ABS relay box. See Fig. 3. Replace ABS relay box
if needed. If ABS relay box is okay, go to next step.
2) Disconnect ECU 22-pin connector and ABS relay box 8-pin
connector. Turn ignition on. Using a DVOM, check voltage between ABS
relay box 8-pin harness connector terminal No. 5 and ground. See
Fig. 4 . If battery voltage does not exist, go to next step. If battery
voltage exists, check and repair connectors and related wiring harness
between ABS valve relay and ground. See WIRING DIAGRAMS.
3) Check and repair connectors and related wiring harness
between instrument cluster and ABS valve relay. See WIRING DIAGRAMS.
Fig. 4: Identifying ABS Relay Box Connector Terminals
Courtesy of Mitsubishi Motor Sales of America.
Ignition Switch In ON Position, ANTI-LOCK Warning Light
Blinks Twice. In START Position, Light Stays On. When
Ignition Switch Is Cycled From START To ON Position, Light
Blinks Once
1) Disconnect ABS relay box connectors. See Fig. 3.
Disconnect ECU 22-pin connector. Turn ignition on. Check voltage
between ECU connector terminal No. 50 and ground. See Figs. 5-6. If
battery voltage is not present, check and repair connectors and
related wiring harness between instrument cluster and ECU. See
WIRING DIAGRAMS . If battery voltage is present, go to next step.
2) Check and repair ECU 22-pin connector. If connector is
okay, replace ECU.

Fig. 8: Identifying Data Link Connector Terminals
Courtesy of Mitsubishi Motor Sales of America.
CLEARING DTCs
To clear DTCs using scan tool, follow scan tool
manufacturer's instructions. To clear DTCs without scan tool,
disconnect negative battery cable for at least 10 seconds. Reconnect
battery cable and repeat RETRIEVING DTCs to confirm that malfunction
has been corrected.
DTC DEFINITION









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DTC ( 1) System Affected
11 ..................... Right Front Wheel Speed Sensor (Open/Short)\
12 ...................... Left Front Wheel Speed Sensor (Open/Short)\
13 ...................... Right Rear Wheel Speed Sensor (Open/Short)\
14 ....................... Left Rear Wheel Speed Sensor (Open/Short)\
15 ..................... Wheel Speed Sensor Output Signal (Abnormal)\
16 ................................................ ECU Power Supply
21 ....................... Right Front Wheel Speed Sensor (Abnormal)\
22 .............................. Left Front Wheel Sensor (Abnormal)\
23 ........................ Right Rear Wheel Speed Sensor (Abnormal)\
24 ......................... Left Rear Wheel Speed Sensor (Abnormal)\
25 ........................................ Free Wheel Engage Switch
26 ....................... Center Differential Lock Detection Switch
27 ..................... ( 2) Rear Differential Lock Detection Switch

7) Inspect condition of toothed rotor. Check for broken or
deformed teeth. If toothed rotor is okay, go to next step.
8) Check ECU connectors. Repair connectors as needed. If
connectors are okay, replace ECU.
DTC 15: WHEEL SPEED SENSOR OUTPUT SIGNAL (ABNORMAL)
NOTE: DTC will set if ECU detects a wheel speed sensor fault other
than an open or short circuit.
1) Ensure sensor is properly installed. See WHEEL SPEED
SENSOR (WSS) under REMOVAL & INSTALLATION . Correct installation if
needed. If installation is okay, go to next step.
2) Raise and support vehicle. Disconnect ECU connectors.
Using DVOM, backprobe specified ECU connector terminals. See
WHEEL SPEED SENSOR OUTPUT CIRCUIT IDENTIFICATION table. See Figs. 5-6.
Check voltage between each harness connector terminal while rotating
wheel at 1/2 to one rotation per second. If pulse voltage is 70 mV or
more, go to step 7). If voltage is not as specified, go to next step.
3) Inspect condition of suspect speed sensor. Ensure tip of
speed sensor is clean. If speed sensor is okay, go to next step.
4) Disconnect sensor connector. Using DVOM, check resistance
across sensor terminals. Resistance for front sensors should be 1170-
1350 ohms. Resistance for rear sensors should be 1300-1500 ohms. If
resistance is as specified, go to next step. If resistance is not as
specified, replace sensor.
5) Remove sensor. Check resistance between each sensor
terminal and sensor body. If resistance is 100,000 ohms or more, go to
next step. If resistance is not as specified, replace sensor.
6) Inspect condition of toothed rotor. Check for broken or
deformed teeth. If toothed rotor is okay, go to next step.
7) Check ECU connectors. Repair connectors as needed. If
connectors are okay, replace ECU.
DTC 16: ECU POWER SUPPLY
NOTE: DTC will set if ECU power supply voltage is not within
standard value. If voltage returns to normal, DTC will be
erased. Ensure battery is fully charged.
1) Ensure battery voltage is 10-17 volts. Turn ignition off.
Disconnect ECU 26-pin connector. Start engine. Using DVOM, check
voltage between ECU 26-pin connector terminal No. 13 and ground. See
Figs. 5 -6. If battery voltage exists, go to step 3). If battery
voltage do es not exist, go to next step.
2) Check and repair connectors and related wiring between
ignition switch and ECU. See WIRING DIAGRAMS. If connectors and wiring
are okay, check and repair battery or charging system.
3) Check voltage between ECU 26-pin connector terminal No. 26
and ground. If battery voltage exists, go to next step. If battery
voltage does not exist, check and repair connectors and wiring harness
between fusible link and ECU. See WIRING DIAGRAMS.
4) Check and repair ECU connectors. If connectors are okay,
replace ECU.
DTC 21, 22, 23 OR 24: WHEEL SPEED SENSOR (ABNORMAL)
NOTE: DTC sets if wheel speed sensor does not output a signal when
driving, and an open circuit cannot be found.
1) Ensure sensor is properly installed. See WHEEL SPEED
SENSOR (WSS) under REMOVAL & INSTALLATION . Correct installation if
needed. If installation is okay, go to next step.

2) Disconnect ECU 26-pin connector. Check resistance between
specified ECU connector terminals. See
WHEEL SPEED SENSOR OUTPUT CIRCUIT IDENTIFICATION table. See Figs. 5-6.
Resistance for front sensors should be 1170-1350 ohms. Resistance for
rear sensors should be 1300-1500 ohms. If resistance is as specified,
go to next step. If resistance is not as specified, check and repair
connectors and related wiring between ECU and suspect sensor. See
WIRING DIAGRAMS .
3) Raise and support vehicle. Disconnect ECU connectors.
Using DVOM, backprobe specified ECU connector terminals. See
WHEEL SPEED SENSOR OUTPUT CIRCUIT IDENTIFICATION table. See Figs. 5-6.
Check voltage between each harness connector terminal while rotating
wheel at 1/2 to one rotation per second. If pulse voltage is 70 mV or
more, go to step 8). If voltage is not as specified, go to next step.
4) Inspect condition of suspect speed sensor. Ensure tip of
speed sensor is clean. If speed sensor is okay, go to next step.
5) Disconnect sensor connector. Using DVOM, check resistance
across sensor terminals. Resistance for front sensors should be 1170-
1350 ohms. Resistance for rear sensors should be 1300-1500 ohms. If
resistance is as specified, go to next step. If resistance is not as
specified, replace sensor.
6) Remove sensor. Check resistance between each sensor
terminal and sensor body. If resistance is 100,000 ohms or more, go to
next step. If resistance is not as specified, replace sensor.
7) Inspect condition of toothed rotor. Check for broken or
deformed teeth. If toothed rotor is okay, go to next step.
8) Check ECU connectors. Repair connectors as needed. If
connectors are okay, replace ECU.
DTC 25: FREE WHEEL ENGAGE SWITCH
NOTE: DTC sets if ECU detects an open circuit in free wheel engage
switch.
1) Start engine. Ensure 4WD indicator light operates
correctly when transfer shift lever is moved to desired 4WD positions.
If indicator light operates correctly, go to step 3). If indicator
light does not operate correctly, go to next step.
2) Turn engine off. Check wiring harness between 4WD
indicator control unit (located behind radio) and free wheel engage
switch (located on right side of front differential housing, near
carrier assembly). If circuit is okay, replace 4WD indicator control
unit.
3) Disconnect ECU 22-pin connector. Turn ignition on. Using
DVOM, check voltage between ECU 22-pin connector terminal No. 45 and
ground. See Figs. 5-6. In 2WD, battery voltage should exist. Battery
voltage should not exist in 4WD. If voltage is as specified, go to
next step. If voltage is not as specified, check and repair connectors
and wiring harness between free wheel engage switch and ECU. See
WIRING DIAGRAMS .
4) Check and repair ECU 22-pin connector. If connector is
okay, replace ECU.
DTC 26: CENTER DIFFERENTIAL LOCK DETECTION SWITCH
NOTE: DTC sets if ECU detects an open circuit in center
differential lock detection switch system.
1) Start engine. Ensure 4WD indicator light operates
correctly when transfer shift lever is moved to desired 4WD positions.
If indicator light does not operate correctly, go to step 4). If
indicator light operates correctly, go to next step.
2) Disconnect ECU 22-pin connector. Turn ignition on. Using

DVOM, check voltage between ECU 22-pin connector terminal No. 35 and
ground. See Figs. 5-6. Battery voltage should exist in 4WD. Go to next
step.
3) If voltage is not as specified, check and repair
connectors and wiring harness between center differential lock
detection switch and ECU. See WIRING DIAGRAMS. Center differential
lock detection switch is located on side of transfer case. See Fig. 9.
If voltage is as specified, check and repair ECU 22-pin connector. If
connector is okay, replace ECU.
Fig. 9: Identifying 4WD Indicator Switch Location
Courtesy of Mitsubishi Motor Sales of America.
NOTE: When checking for short in ECU circuit, remove ECU connector
and ensure 4WD indicator light operates correctly. If 4WD
indicator light operates correctly, replace faulty ECU. If
4WD indicator light does not operate correctly, replace
faulty 4WD indicator control unit.
4) If no indicator lights come on, repair 4WD indicator power
circuit, or check for faulty 4WD indicator control unit. See 4WD
CONTROL UNIT under COMPONENT TESTS. If center differential light comes
on, regardless of position of transfer shift lever, check the
following:

* Check for short in center differential lock switch circuit.
* Check for faulty center differential lock switch.
* Check for short in ECU circuit or faulty ECU.
* Check for short in indicator control unit circuit or faulty
4WD indicator control unit.
Repair wiring harness or replace component as necessary. See
WIRING DIAGRAMS .
5) If 4WD indicator light does not come on with transfer
shift lever in "4H" position, repair wiring harness between 4WD
indicator control unit and center differential lock switch. Check for
faulty 4WD indicator control unit.
6) If 4WD indicator light does not come on with transfer
shift lever in "4H" position, repair wiring harness between 4WD
indicator control unit and free wheel engage switch. See
WIRING DIAGRAMS . Check ground wire at engage switch. Check for faulty
free wheel engage switch.
DTC 27: REAR DIFFERENTIAL LOCK DETECTION SWITCH (WITH
DIFFERENTIAL LOCK)
NOTE: DTC is set if ECU detects an open circuit in rear
differential lock detection switch system.
1) Start engine. Ensure rear differential indicator light
comes on when top of rear differential lock switch (located below
radio) is pushed. If indicator light comes on, go to step 3). If
indicator light does not come on, go to next step.
2) Turn engine off. Check wiring harness between rear
differential lock control unit and rear differential lock switch. See
WIRING DIAGRAMS . Check rear differential lock control unit power
circuit. See REAR DIFFERENTIAL CONTROL UNIT under COMPONENT TESTS. If
circuit is okay, replace rear differential lock control unit.
3) Disconnect ECU 22-pin connector. Turn ignition on. Using
DVOM, check voltage between terminal No. 46 and ground. See Figs. 5-6.
When rear differential is locked, battery voltage should not be
present. When rear differential is unlocked, battery voltage should be
present. If voltage is as specified, go to next step. If voltage is
not as specified, repair connectors and related wiring harness between
ECU and rear differential lock switch. See WIRING DIAGRAMS.
4) Check and repair ECU 22-pin connector. If connector is
okay, replace ECU.
DTC 27: REAR DIFFERENTIAL LOCK DETECTION SWITCH (WITHOUT
DIFFERENTIAL LOCK)
NOTE: DTC is set if ECU detects an interruption of battery voltage
at ECU terminal No. 46.
1) Check fuse No. 18 in main fuse block. If fuse is blown,
correct cause of blown fuse, and replace fuse. If fuse is okay, go to
next step.
2) Disconnect ECU 22-pin connector. Turn ignition on. Using
DVOM, check voltage between terminal No. 46 and ground. See Figs. 5-6.
If battery voltage is present, go to next step. If battery voltage is
not present, check and repair connectors and related wiring harness
between ECU and fuse No. 18. See WIRING DIAGRAMS.
3) Check and repair ECU 22-pin connector. If connector is
okay, replace ECU.
DTC 32: "G" SENSOR SYSTEM
NOTE: DTC is set if ECU detects "G" sensor output voltage less