07/11/02 09:29:48 61TA0000_180_0084
TPMS
Symptom Troubleshooting (cont'd)
7. Measure voltage between body ground and TPMS
control unit 20P connector terminal No. 10.
*02
Is there battery voltage?
YES
−
NO
control unit and the No. 29 (7.5 A) fuse in the driver's
under-dash fuse/relay box.
8. Turn the ignition switch to ON (II).
9. Measure voltage between body ground and TPMS
control unit 20P connector terminal No. 8.
*03
Is there battery voltage?
YES
NO
−
control unit and the No. 5 (7.5 A) fuse in the driver's
under-dash fuse/relay box.
18-84
TPMS CONTROL UNIT 20P CONNECTOR
+
B (WHT)
Wire side of female terminals
−
Go to step 8.
Repair open in the wire between the TPMS
TPMS CONTROL UNIT 20P CONNECTOR
IG1 (BRN)
Wire side of female terminals
−
Go to step 10.
Repair open in the wire between the TPMS
10. Turn the ignition switch to LOCK (0).
11. Reconnect the TPMS control unit 20P connector.
12. Turn the ignition switch to ON (II).
13. Measure voltage between body ground and TPMS
control unit 20P connector terminal No. 4.
TPMS CONTROL UNIT 20P CONNECTOR
GND (BLK)
Wire side of female terminals
Is there 0.1 V or more?
YES
−
Repair open or high resistance in the wire
between the TPMS control unit and body ground
(G503).
NO
−
Do the troubleshooting for the gauge control
module (see page 22-312). If the gauge control
module is OK, check for loose terminals and poor
connections at the TPMS control unit. If necessary,
substitute a known-good TPMS control unit
(see page 18-85), and recheck.
*04