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DI-334
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
DI6BZ-03
DTC C1269 / 69 PNP Switch Circuit (R range)
CIRCUIT DESCRIPTION
DTC No. DTC Detecting Condition Trouble Area
With the vehicle speed less than 15 km/h (9 mph), open S PNP switch
C1269 / 69
circuit in R signal circuit is detected for more than 2 sec. S PNP switch circuit (R range)
WIRING DIAGRAM
Driver Side J/B Skid Control ECU
PNP Switch
2 GAUGE 7 20 RL 19 10
B-Y B-Y B-Y W-L W-L
1I 1F II4 II4 V19 R
3 RB 2
I14 Engine Room J/B
Ignition Switch
AM1 ALT
W
2 2
4 IG1 AM1 2 2 1 2 1
W
Battery
F14361
2002 4RUNNER (RM887U)
Author : Date : 510
DI-335
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
INSPECTION PROCEDURE
HINT:
Start the inspection from step 1 in case of using the hand-held tester and start from step 2 in case of not
using the hand-held tester.
1 Check operation of PNP switch (R range) circuit.
PREPARATION:
(a) Connect the hand-held tester to DLC3.
(b) Turn the ignition switch ON and push the hand-held tester main switch ON.
(c) Select the ACTIVE TEST mode on the hand-held tester.
CHECK:
Set the shift lever in the R range, and read the R signal on the hand-held tester.
OK:
"ON" is displayed.
OK Check and replace skid control ECU.
NG
2 Check PNP switch (R range) (See page DI-159 ).
NG Repair or replace PNP switch.
OK
2002 4RUNNER (RM887U)
Author : Date : 511
DI-336
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
3 Check voltage between terminal R of skid control ECU and body ground.
ON PREPARATION:
V19 Remove the skid control ECU with the connectors still con-
10
nected.
CHECK:
(a) Turn the ignition switch ON.
(b) Measure voltage between terminal R (V19 - 10) of the
(-) (+) skid control ECU and body ground when the brake pedal
is depressed and shift the shift lever to R position.
F13786 OK:
Voltage: 10 - 14 V
NG Go to step 4.
OK
If the same code is still output after the DTC is deleted, check the contact condition of each con-
nection. If the connections are normal, ECU may be defective.
4 Check for open circuit in harness and connector between PNP switch (R range)
and skid control ECU (See page IN-28 ).
NG Repair or replace harness or connector.
OK
Check and replace skid control ECU.
2002 4RUNNER (RM887U)
Author : Date : 512
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