O2 sensor MITSUBISHI ENDEAVOR 2004 Service Repair Manual

Fig. 214: Measuring Voltage At Steering Wheel Sensor Connector C
-
312

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is battery positive voltage (approximately 12 volts) present?
YES: Go to Step 3.
NO: Go to Step 2.
STEP 2. Check the following connectors.
Junction block connector C-211 and C-215

2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control, Active Skid Control System - Endeavor

Fig. 215: Checking Junction block connector C
-211 and C
-215

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Ignition switch connector C-308
Fig. 216: Checking Ignition switch connector C
-308

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Steerin
g wheel sensor connector C-312

2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control, Active Skid Control System - Endeavor

Fig. 217: Checking Steering Wheel Sensor Connector C
-312

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Check the connectors, for loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Are the connectors and terminals in good condition?
YES: An open or short circuit may be present in the power supply line to
the steering wheel sensor. Repair the wiring harness between steering
wheel sensor connector C-312 terminal 2 and ignition switch connector C-
308 terminal 4. Go to Step 8.
NO: Repair or replace the damaged component(s). Then go to Step 8.
STEP 3. Measure the resistance at steering wheel sensor connector C-312.
1. Disconnect the steering sensor connector C-312, and measure at the
harness side connector.

2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control, Active Skid Control System - Endeavor

Fig. 218: Measuring Resistance At Steering Wheel Sensor Connector C-312

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is the measured resistance 2 ohms or less?
YES: Go to Step 5.
NO: Go to Step 4.
STEP 4. Check steering wheel sensor connector C-312 for loose, corroded
or damaged terminals, or terminals pushed back in the connector.
Fig. 219: Checking Steering Wheel Sensor Connector C
-312

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Are the connectors and terminals in good condition?

2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control, Active Skid Control System - Endeavor

YES: An open circuit may be present in the ground circuit. Repair the
wiring harness between steering wheel sensor connector C-312 terminals 5
and the body ground. Then go to Step 8.
NO: Repair or replace the damaged component(s). Then go to Step 8.
STEP 5. Check the battery.
Check the battery (Refer to BATTERY TEST
).
Q: Is the battery in good condition?
YES: Go to Step 6.
NO: Charge or replace the battery. Then go to Step 8.
STEP 6. Check the charging system.
Check the charging system (Refer to GENERATORS & REGULATORS
).
Q: Is the charging system in good condition?
YES: Go to Step 7.
NO: Repair or replace the charging system component(s). Then go to Step
8.
STEP 7. Retest the system.
Q: Can the steering wheel sensor communicate with the scan tool (MUT-
III Sub Assembly)?
YES: It can be assumed that this malfunction is intermittent. Refer to
HOW TO COPE WITH INTERMITTENT MALFUNCTIONS
.
NO: Replace the steering wheel sensor. Then go to Step 8.
STEP 8. Retest the system.
Q: Can the steering wheel sensor communicate with the scan tool (MUT-
III Sub Assembly)?
YES: The
procedure is com
plete.

2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control, Active Skid Control System - Endeavor

NO: Go to Step 1.
INSPECTION PROCEDURE 5: G and yaw rate sensor power supply system
2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control, Active Skid Control System - Endeavor

Fig. 220: G And Yaw Rate Sensor Power Supply Circuit Diagram & Connector Identification

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Fig. 221: Identifying Connectors: C
-214, C
-215

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
CIRCUIT OPERATION
The G and yaw rate sensor is energized by the ignition switch (IG2) through
multi-purpose fuse 13 and the G and yaw rate sensor terminal 1. If the power supply to the G and yaw rate sensor has failed, TCL/ASC-ECU
related DTC U1105 is set.
TROUBLESHOOTING HINTS (The most likely causes for this case:)
Damaged wiring harness or connector Defective battery Char
ging sys
tem fail
ed

2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control, Active Skid Control System - Endeavor

Malfunction of the G and yaw rate sensor
DIAGNOSIS Required Special Tools:
MB991958: Scan Tool (MUT-III Sub Assembly)
MB991824: Vehicle Communication Interface (V.C.I.) MB991827: MUT-III USB Cable MB991910: MUT-III Main Harness A
MB991952: ABS Check Harness
STEP 1. Measure the voltage at G and yaw rate sensor connector C-36.
1. Disconnect the G and yaw rate sensor connector C-36, and measure at the
harness side connector.
2. Turn the ignition switch to the "ON" position.
3. Measure the voltage between terminal 1 and body ground.
Voltage should measure battery positive voltage (approximately 12
volts
).

2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control, Active Skid Control System - Endeavor

Fig. 222: Measuring Voltage At G And Yaw Rate Sensor

2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control, Active Skid Control System - Endeavor

Joint connector (1) C-04
Fig. 224: Checking Joint Connector (1) C
-04
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
G and
yaw rate sensor connector C-36

2004 Mitsubishi Endeavor LS
2004 BRAKES Traction Control, Active Skid Control System - Endeavor